diff --git a/Cupcake-Demo/Cupcake-Demo.xcodeproj/project.xcworkspace/xcuserdata/admin.xcuserdatad/UserInterfaceState.xcuserstate b/Cupcake-Demo/Cupcake-Demo.xcodeproj/project.xcworkspace/xcuserdata/admin.xcuserdatad/UserInterfaceState.xcuserstate
index 4e68187..7827c64 100644
Binary files a/Cupcake-Demo/Cupcake-Demo.xcodeproj/project.xcworkspace/xcuserdata/admin.xcuserdatad/UserInterfaceState.xcuserstate and b/Cupcake-Demo/Cupcake-Demo.xcodeproj/project.xcworkspace/xcuserdata/admin.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/Cupcake.podspec b/Cupcake.podspec
index 406f70b..cbad37a 100644
--- a/Cupcake.podspec
+++ b/Cupcake.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "Cupcake"
-  s.version      = "0.1.2"
+  s.version      = "1.0.0"
   s.summary      = "An easy way to create and layout UI components for iOS."
 
   s.description  = <<-DESC
diff --git a/Cupcake/AttStr.swift b/Cupcake/AttStr.swift
index 3503003..35d4198 100644
--- a/Cupcake/AttStr.swift
+++ b/Cupcake/AttStr.swift
@@ -42,7 +42,7 @@ public func AttStr(_ objects: Any?...) -> NSMutableAttributedString {
 }
 
 
-extension NSMutableAttributedString {
+public extension NSMutableAttributedString {
     
     /**
      * NSFontAttributeName
@@ -145,8 +145,7 @@ extension NSMutableAttributedString {
         return self
     }
     
-    @discardableResult
-    public func strikethrough(_ color: Any) -> Self {
+    @discardableResult public func strikethrough(_ color: Any) -> Self {
         return strikethrough(.styleSingle, color)
     }
     
@@ -158,8 +157,7 @@ extension NSMutableAttributedString {
         .stroke(1)
         .stroke(-4, "red")
      */
-    @discardableResult
-    public func stroke(_ width: CGFloat, _ color: Any? = nil) -> Self {
+    @discardableResult public func stroke(_ width: CGFloat, _ color: Any? = nil) -> Self {
         cpk_addAttribute(name: NSStrokeWidthAttributeName, value: width)
         if let strokeColor = Color(color) {
             cpk_addAttribute(name: NSStrokeColorAttributeName, value: strokeColor)
@@ -173,8 +171,7 @@ extension NSMutableAttributedString {
         .oblique(0.3)
         .oblique(-0.3)
      */
-    @discardableResult
-    public func oblique(_ value: CGFloat) -> Self {
+    @discardableResult public func oblique(_ value: CGFloat) -> Self {
         cpk_addAttribute(name: NSObliquenessAttributeName, value: value)
         return self
     }
@@ -185,8 +182,7 @@ extension NSMutableAttributedString {
         .offset(20)
         .offset(-20)
      */
-    @discardableResult
-    public func offset(_ offset: CGFloat) -> Self {
+    @discardableResult public func offset(_ offset: CGFloat) -> Self {
         cpk_addAttribute(name: NSBaselineOffsetAttributeName, value: offset)
         return self
     }
@@ -198,8 +194,7 @@ extension NSMutableAttributedString {
         .link("http://www.google.com")
         .link()     //mark as link for UILabel
      */
-    @discardableResult
-    public func link(_ url: String? = nil) -> Self {
+    @discardableResult public func link(_ url: String? = nil) -> Self {
         if let urlString = url {
             cpk_addAttribute(name: NSLinkAttributeName, value: urlString)
         } else {
@@ -213,8 +208,7 @@ extension NSMutableAttributedString {
      * Usages:
         .lineGap(10)
      */
-    @discardableResult
-    public func lineGap(_ spacing: CGFloat) -> Self {
+    @discardableResult public func lineGap(_ spacing: CGFloat) -> Self {
         cpk_addParagraphAttribute(key: "lineSpacing", value: spacing)
         return self
     }
@@ -224,8 +218,7 @@ extension NSMutableAttributedString {
      * Usages:
         .indent(20)
      */
-    @discardableResult
-    public func indent(_ headIntent: CGFloat) -> Self {
+    @discardableResult public func indent(_ headIntent: CGFloat) -> Self {
         cpk_addParagraphAttribute(key: "firstLineHeadIndent", value: headIntent)
         return self
     }
@@ -237,8 +230,7 @@ extension NSMutableAttributedString {
         .align(.justified)
         ...
      */
-    @discardableResult
-    public func align(_ alignment: NSTextAlignment) -> Self {
+    @discardableResult public func align(_ alignment: NSTextAlignment) -> Self {
         cpk_addParagraphAttribute(key: "alignment", value: NSNumber(value: alignment.rawValue))
         return self
     }
@@ -261,8 +253,7 @@ extension NSMutableAttributedString {
      
      * .select("pattern") is just the shorthand of .select(.match("pattern"))
      */
-    @discardableResult
-    public func select(_ optionOrStringLiterals: AttStrSelectionOptions...) -> Self {
+    @discardableResult public func select(_ optionOrStringLiterals: AttStrSelectionOptions...) -> Self {
         
         for option in optionOrStringLiterals {
             var regExp: NSRegularExpression?
@@ -334,8 +325,7 @@ extension NSMutableAttributedString {
         AttStr(@"hello").color(@"red").color(@"green")                  //green color
         AttStr(@"hello").color(@"red").preventOverride.color(@"green")  //red color
      */
-    @discardableResult
-    public func preventOverride(_ flag: Bool = true) -> Self {
+    @discardableResult public func preventOverride(_ flag: Bool = true) -> Self {
         self.cpkPreventOverrideAttribute = flag
         return self
     }
diff --git a/Cupcake/CPKStackView.swift b/Cupcake/CPKStackView.swift
index 4818859..5ed776d 100644
--- a/Cupcake/CPKStackView.swift
+++ b/Cupcake/CPKStackView.swift
@@ -34,6 +34,7 @@ public class CPKStackView: UIView {
     private var _alignment: CPKStackAlignment = .left
     private var _spacing: CGFloat = 0
     private var _axis: UILayoutConstraintAxis = .horizontal
+    private var _headAttachSpace: CGFloat?
     
     public private(set) var arrangedSubviews = [UIView]()
     
@@ -98,7 +99,7 @@ public class CPKStackView: UIView {
             let spacing = CPKFloat(sub)
             
             if index == 0 {
-                self.cpkAttachSpacing = spacing
+                _headAttachSpace = spacing
                 attachSpaceDidChangeForView(at: -1)
             } else {
                 let previousView = self.arrangedSubviews[index - 1]
@@ -400,6 +401,9 @@ public class CPKStackView: UIView {
         
         var spacing: CGFloat = 0
         
+        if item1 == self && _headAttachSpace != nil {
+            spacing = -_headAttachSpace!
+        }
         if let attachSpacing = item1.cpkAttachSpacing {
             spacing = -attachSpacing
         } else if item1 != self && item2 != self {
@@ -474,6 +478,15 @@ public class CPKStackView: UIView {
         let item1 = itemAt(index: index)
         let item2 = itemAt(index: index + 1)
         
+        if item1 == self && _headAttachSpace != nil {
+            for c in self.spacingConstraints {
+                if c.firstItem === item1 && c.secondItem === item2 {
+                    c.constant = -_headAttachSpace!
+                    break
+                }
+            }
+        }
+        
         if let spacing = item1.cpkAttachSpacing {
             for c in self.spacingConstraints {
                 if c.firstItem === item1 && c.secondItem === item2 {
diff --git a/Cupcake/Color.swift b/Cupcake/Color.swift
index 3f27bd7..7721812 100644
--- a/Cupcake/Color.swift
+++ b/Cupcake/Color.swift
@@ -32,7 +32,7 @@ import UIKit
     Color(Img("image"))     //using image
     ...
  */
-func Color(_ any: Any?) -> UIColor? {
+public func Color(_ any: Any?) -> UIColor? {
     if any == nil {
         return nil
     }
diff --git a/Cupcake/StaticTable.swift b/Cupcake/StaticTable.swift
index 069bac3..4be0861 100644
--- a/Cupcake/StaticTable.swift
+++ b/Cupcake/StaticTable.swift
@@ -68,7 +68,7 @@ public extension StaticTableView {
         .font(someLabel.font)
         ...
      */
-    @discardableResult func font(_ any: Any) -> Self {
+    @discardableResult public func font(_ any: Any) -> Self {
         self.textFont = any
         return self
     }
@@ -85,7 +85,7 @@ public extension StaticTableView {
         .color(someLabel.textColor)
         ...
      */
-    @discardableResult func color(_ any: Any) -> Self {
+    @discardableResult public func color(_ any: Any) -> Self {
         self.textColor = any
         return self
     }
@@ -102,7 +102,7 @@ public extension StaticTableView {
         .font(someLabel.font)
         ...
      */
-    @discardableResult func detailFont(_ any: Any) -> Self {
+    @discardableResult public func detailFont(_ any: Any) -> Self {
         self.detailFont = any
         return self
     }
@@ -119,7 +119,7 @@ public extension StaticTableView {
         .color(someLabel.textColor)
         ...
      */
-    @discardableResult func detailColor(_ any: Any) -> Self {
+    @discardableResult public func detailColor(_ any: Any) -> Self {
         self.detailColor = any
         return self
     }
@@ -130,7 +130,7 @@ public extension StaticTableView {
         .rowHeight(50)
         .rowHeight(-1)  //negative value means use UITableViewAutomaticDimension
      */
-    @discardableResult func rowHeight(_ height: CGFloat) -> Self {
+    @discardableResult public func rowHeight(_ height: CGFloat) -> Self {
         self.cellHeight = height
         return self
     }
@@ -141,7 +141,7 @@ public extension StaticTableView {
         .lineIndent(0)
         .lineIndent(10)
      */
-    @discardableResult func lineIndent(_ indent: CGFloat) -> Self {
+    @discardableResult public func lineIndent(_ indent: CGFloat) -> Self {
         self.separatorIndent = indent
         return self
     }
@@ -152,7 +152,7 @@ public extension StaticTableView {
         .arrow()
         .arrow(false)
      */
-    @discardableResult func arrow(_ showArrow: Bool = true) -> Self {
+    @discardableResult public func arrow(_ showArrow: Bool = true) -> Self {
         self.accessoryType = (showArrow ? .disclosureIndicator : nil)
         return self
     }
@@ -168,7 +168,7 @@ public extension StaticTableView {
             ...
         })
      */
-    @discardableResult func custom(_ handler: @escaping (StaticRow)->()) -> Self {
+    @discardableResult public func custom(_ handler: @escaping (StaticRow)->()) -> Self {
         self.customHandler = handler
         return self
     }
@@ -184,7 +184,7 @@ public extension StaticTableView {
             ...
         })
      */
-    @discardableResult override func onClick(_ callback: @escaping (StaticRow)->()) -> Self {
+    @discardableResult override public func onClick(_ callback: @escaping (StaticRow)->()) -> Self {
         self.onClickHandler = callback
         return self
     }
@@ -202,7 +202,7 @@ public extension StaticSection {
         .header("Header1")  //header with string
         .header(headerView) //header with view
      */
-    @discardableResult func header(_ any: Any) -> Self {
+    @discardableResult public func header(_ any: Any) -> Self {
         self.headerValue = any
         return self
     }
@@ -216,7 +216,7 @@ public extension StaticSection {
         .footer("Footer1")  //footer with string
         .footer(footerView) //footer with view
      */
-    @discardableResult func footer(_ any: Any) -> Self {
+    @discardableResult public func footer(_ any: Any) -> Self {
         self.footerValue = any
         return self
     }
@@ -229,7 +229,7 @@ public extension StaticSection {
         .singleCheck("checked")                 //use custom image
         .singleCheck("checked", "unchecked")    //use custom images
      */
-    @discardableResult func singleCheck(_ checkedImage: Any? = nil, _ uncheckedImage: Any? = nil) -> Self {
+    @discardableResult public func singleCheck(_ checkedImage: Any? = nil, _ uncheckedImage: Any? = nil) -> Self {
         self.enableSingleCheck = true
         self.checkedImage = checkedImage != nil ? Img(checkedImage!) : nil
         self.uncheckedImage = uncheckedImage != nil ? Img(uncheckedImage!) : nil
@@ -244,7 +244,7 @@ public extension StaticSection {
         .multiCheck("checked")                  //use custom image
         .multiCheck("checked", "unchecked")     //use custom images
      */
-    @discardableResult func multiCheck(_ checkedImage: Any? = nil, _ uncheckedImage: Any? = nil) -> Self {
+    @discardableResult public func multiCheck(_ checkedImage: Any? = nil, _ uncheckedImage: Any? = nil) -> Self {
         self.enableMultiCheck = true
         self.checkedImage = checkedImage != nil ? Img(checkedImage!) : nil
         self.uncheckedImage = uncheckedImage != nil ? Img(uncheckedImage!) : nil
@@ -267,7 +267,7 @@ public extension StaticRow {
         .img(someImage)
         ...
      */
-    @discardableResult func img(_ any: Any) -> Self {
+    @discardableResult public func img(_ any: Any) -> Self {
         self.image = Img(any)
         return self
     }
@@ -281,7 +281,7 @@ public extension StaticRow {
         .str( AttStr("hello world").strikethrough() )
         ...
      */
-    @discardableResult func str(_ any: Any) -> Self {
+    @discardableResult public func str(_ any: Any) -> Self {
         self.text = any
         return self
     }
@@ -295,7 +295,7 @@ public extension StaticRow {
         .detail( AttStr("hello world").strikethrough() )
         ...
      */
-    @discardableResult func detail(_ any: Any) -> Self {
+    @discardableResult public func detail(_ any: Any) -> Self {
         self.detailText = any
         return self
     }
@@ -307,7 +307,7 @@ public extension StaticRow {
         .style(.value2)
         ...
      */
-    @discardableResult func style(_ style: UITableViewCellStyle) -> Self {
+    @discardableResult public func style(_ style: UITableViewCellStyle) -> Self {
         self.cellStyle = style
         return self
     }
@@ -320,7 +320,7 @@ public extension StaticRow {
         .accessory(.view(someView))         //setting accessoryView
         ...
      */
-    @discardableResult func accessory(_ type: CPKTableViewCellAccessoryType) -> Self {
+    @discardableResult public func accessory(_ type: CPKTableViewCellAccessoryType) -> Self {
         self.accessoryType = type
         return self
     }
@@ -331,7 +331,7 @@ public extension StaticRow {
         .arrow()
         .arrow(false)
      */
-    @discardableResult func arrow(_ showArrow: Bool = true) -> Self {
+    @discardableResult public func arrow(_ showArrow: Bool = true) -> Self {
         self.accessoryType = showArrow ? .disclosureIndicator : CPKTableViewCellAccessoryType.none
         return self
     }
@@ -342,7 +342,7 @@ public extension StaticRow {
         .check()
         .check(false)
      */
-    @discardableResult func check(_ checked: Bool = true) -> Self {
+    @discardableResult public func check(_ checked: Bool = true) -> Self {
         self.accessoryType = checked ? .checkmark : CPKTableViewCellAccessoryType.none
         return self
     }
@@ -353,7 +353,7 @@ public extension StaticRow {
         .switchOn()
         .switchOn(false)
      */
-    @discardableResult func switchOn(_ isOn: Bool = true) -> Self {
+    @discardableResult public func switchOn(_ isOn: Bool = true) -> Self {
         let sw: UISwitch! = self.switchView ?? {self.switchView = UISwitch(); return self.switchView}()
         sw.isOn = isOn
         self.accessory(.view(sw))
@@ -366,7 +366,7 @@ public extension StaticRow {
         .height(50)
         .height(-1)     //negative value means use UITableViewAutomaticDimension
      */
-    @discardableResult func height(_ height: CGFloat) -> Self {
+    @discardableResult public func height(_ height: CGFloat) -> Self {
         self.cellHeight = height
         return self
     }
@@ -376,7 +376,7 @@ public extension StaticRow {
      * Usages:
         .lineIndent(10)
      */
-    @discardableResult func lineIndent(_ indent: CGFloat) -> Self {
+    @discardableResult public func lineIndent(_ indent: CGFloat) -> Self {
         self.separatorIndent = indent
         return self
     }
@@ -392,7 +392,7 @@ public extension StaticRow {
             ...
         })
      */
-    @discardableResult override func onClick(_ callback: @escaping (StaticRow)->()) -> Self {
+    @discardableResult override public func onClick(_ callback: @escaping (StaticRow)->()) -> Self {
         self.onClickHandler = callback
         return self
     }
@@ -407,7 +407,7 @@ public extension StaticRow {
             ...
         })
      */
-    @discardableResult func onButton(_ callback: @escaping (StaticRow)->()) -> Self {
+    @discardableResult public func onButton(_ callback: @escaping (StaticRow)->()) -> Self {
         self.onButtonHandler = callback
         return self
     }
@@ -422,7 +422,7 @@ public extension StaticRow {
             ...
         })
      */
-    @discardableResult func onChange(_ callback: @escaping (StaticRow)->()) -> Self {
+    @discardableResult public func onChange(_ callback: @escaping (StaticRow)->()) -> Self {
         self.onChangeHandler = callback
         return self
     }
@@ -437,7 +437,7 @@ public extension StaticRow {
             ...
         })
      */
-    @discardableResult func custom(_ handler: @escaping (StaticRow)->()) -> Self {
+    @discardableResult public func custom(_ handler: @escaping (StaticRow)->()) -> Self {
         self.customHandler = handler
         return self
     }
diff --git a/Cupcake/TextField.swift b/Cupcake/TextField.swift
index a73e85d..85b026c 100644
--- a/Cupcake/TextField.swift
+++ b/Cupcake/TextField.swift
@@ -8,14 +8,14 @@
 
 import UIKit
 
-var TextField: UITextField  {
+public var TextField: UITextField  {
     let textField = UITextField()
     textField.enablesReturnKeyAutomatically = true
     textField.returnKeyType = .done
     return textField
 }
 
-extension UITextField {
+public extension UITextField {
     
     /**
      * Setting text or attributedText
@@ -174,7 +174,7 @@ extension UITextField {
         .onChange({ _ in /* ... */ })
         .onChange({ [weak self] textField in /* ... */ }) //capture self as weak reference when needed
      */
-    @discardableResult func onChange(_ closure: @escaping (UITextField)->()) -> Self {
+    @discardableResult public func onChange(_ closure: @escaping (UITextField)->()) -> Self {
         self.cpkTextChangedClosure = cpk_generateCallbackClosure(closure, nil)
         return self
     }
@@ -188,7 +188,7 @@ extension UITextField {
         .onFinish({ _ in /* ... */ })
         .onFinish({ [weak self] textField in /* ... */ })   //capture self as weak reference when needed
      */
-    @discardableResult func onFinish(_ closure: @escaping (UITextField)->()) -> Self {
+    @discardableResult public func onFinish(_ closure: @escaping (UITextField)->()) -> Self {
         self.cpkDidEndOnExistClosure = cpk_generateCallbackClosure(closure, nil)
         return self
     }
diff --git a/Cupcake/TextView.swift b/Cupcake/TextView.swift
index a9075ae..80e93f2 100644
--- a/Cupcake/TextView.swift
+++ b/Cupcake/TextView.swift
@@ -8,11 +8,11 @@
 
 import UIKit
 
-var TextView: UITextView  {
+public var TextView: UITextView  {
     return  UITextView().font(17)
 }
 
-extension UITextView {
+public extension UITextView {
     
     /**
      * Setting text or attributedText
@@ -120,7 +120,7 @@ extension UITextView {
         .onChange({ _ in /* ... */ })
         .onChange({ [weak self] textView in /* ... */ }) //capture self as weak reference when needed
      */
-    @discardableResult func onChange(_ closure: @escaping (UITextView)->()) -> Self {
+    @discardableResult public func onChange(_ closure: @escaping (UITextView)->()) -> Self {
         self.cpkTextChangedClosure = cpk_generateCallbackClosure(closure, nil)
         return self
     }
diff --git a/Cupcake/View.swift b/Cupcake/View.swift
index f3260f0..112fcb9 100644
--- a/Cupcake/View.swift
+++ b/Cupcake/View.swift
@@ -13,7 +13,7 @@ public var View: UIView {
     return view
 }
 
-extension UIView {
+public extension UIView {
     
     /**
      * Setting background with Color or Image.
@@ -151,7 +151,7 @@ extension UIView {
         .onClick({ _ in /* ... */ })                //if you don't care at all
         .onClick({ [weak self] _ in /* ... */ })    //capture self as weak reference when needed
     */
-    @discardableResult func onClick(_ closure: @escaping (UIView)->()) -> Self {
+    @discardableResult public func onClick(_ closure: @escaping (UIView)->()) -> Self {
         cpk_onClick(closure, nil)
         return self
     }
@@ -296,10 +296,9 @@ public extension UIView {
         .embedIn(superview, 10, 20, 30, 40)     //top: 10, left: 20, bottom: 30, right: 40
         .embedIn(superview, 10, 20, nil)        //top: 10, left: 20
      */
-    @discardableResult
-    public func embedIn(_ superview: UIView,
-                        _ p1: Any? = "", _ p2: Any? = "",
-                        _ p3: Any? = "", _ p4: Any? = "") -> Self {
+    @discardableResult public func embedIn(_ superview: UIView,
+                                           _ p1: Any? = "", _ p2: Any? = "",
+                                           _ p3: Any? = "", _ p4: Any? = "") -> Self {
         
         superview.addSubview(self)
         let edge = cpk_edgeInsetsTupleFromParameters(p1, p2, p3, p4)
diff --git a/Cupcake/__Private__Implementations__.swift b/Cupcake/__Private__Implementations__.swift
index e32bcbb..598caa7 100644
--- a/Cupcake/__Private__Implementations__.swift
+++ b/Cupcake/__Private__Implementations__.swift
@@ -2741,7 +2741,7 @@ extension UILabel {
     }
     
     @discardableResult
-    override func onClick(_ closure: @escaping (UILabel)->()) -> Self {
+    override public func onClick(_ closure: @escaping (UILabel)->()) -> Self {
         cpk_onClick(closure, nil)
         return self
     }
@@ -2830,7 +2830,7 @@ extension UIImageView {
     }
     
     @discardableResult
-    override func onClick(_ closure: @escaping (UIImageView)->()) -> Self {
+    override public func onClick(_ closure: @escaping (UIImageView)->()) -> Self {
         cpk_onClick(closure, nil)
         return self
     }
@@ -2913,7 +2913,7 @@ extension UIButton {
     }
     
     @discardableResult
-    override func onClick(_ closure: @escaping (UIButton)->()) -> Self {
+    override public func onClick(_ closure: @escaping (UIButton)->()) -> Self {
         cpk_onClick(closure, nil)
         return self
     }
@@ -3002,7 +3002,7 @@ extension UITextField {
     }
     
     @discardableResult
-    override func onClick(_ closure: @escaping (UITextField)->()) -> Self {
+    override public func onClick(_ closure: @escaping (UITextField)->()) -> Self {
         cpk_onClick(closure, nil)
         return self
     }
@@ -3091,7 +3091,7 @@ extension UITextView {
     }
     
     @discardableResult
-    override func onClick(_ closure: @escaping (UITextView)->()) -> Self {
+    override public func onClick(_ closure: @escaping (UITextView)->()) -> Self {
         cpk_onClick(closure, nil)
         return self
     }
@@ -3180,7 +3180,7 @@ extension CPKStackView {
     }
     
     @discardableResult
-    override func onClick(_ closure: @escaping (CPKStackView)->()) -> Self {
+    override public func onClick(_ closure: @escaping (CPKStackView)->()) -> Self {
         cpk_onClick(closure, nil)
         return self
     }