Move all functions into seperate folder and source them

conf.d/lean_source.fish

@@ -0,0 +1,5 @@
+if not test -e "$__fish_config_dir/functions/fish_prompt.fish"
+    for file in $__fish_config_dir/lean_theme/*
+        source $file
+    end
+end

install.fish

@@ -1,12 +1,15 @@
 echo "Installing lean theme..."
 
 # -----------------Download Functions-----------------
-set fns fish_prompt lean_git_prompt lean_pwd lean_uninstall user_ask
-set githubFnsDir "https://raw.githubusercontent.com/IlanCosman/lean/master/functions"
+set tempDir "/tmp/lean_theme"
+set deleteThese install.fish README.md
 
-for fn in $fns
-    wget -q "$githubFnsDir/$fn.fish" -O "$__fish_config_dir/functions/$fn.fish"
+rm -rf $tempDir
+git clone -q --depth=1 https://github.com/IlanCosman/lean.git $tempDir
+for file in $deleteThese
+    rm "$tempDir/$file"
 end
+cp -r $tempDir $__fish_config_dir
 
 # ----------------Set Theme Variables----------------
 # --------------Colors--------------

lean_theme/lean_uninstall.fish

@@ -1,13 +1,10 @@
 function lean_uninstall
     if user_ask "Unininstall lean theme?" y/N
         echo "Uninstalling lean theme..."
-        
-        # ------------------Remove Functions------------------
-        set fns fish_prompt lean_git_prompt lean_pwd lean_uninstall user_ask
 
-        for fn in $fns
-            rm "$__fish_config_dir/functions/$fn.fish"
-        end
+        # ------------------Remove Functions------------------
+        rm "$__fish_config_dir/conf.d/lean_source.fish"
+        rm -r "$__fish_config_dir/lean_theme/"
 
         # ---------------Erase Theme Variables---------------
         # --------------Colors--------------