This was a workaround to be able to build on case-insensitive file
systems where it might get confused about <string.h> vs <String.h>.
Let's just not support building that way, so String.h can have an
objectively nicer name. :^)
It makes sense to keep this consistent between applications, and the
purpose of the string is not immediately obvious from an API perspective.
If we need to make it configurable later, that can come from a setter.
* Added CProcessStatisticsReader to avoid having to parse /proc/all
* Took @awesomekling's feedbacks into account
* Fixed indentation and replaced tabs by spaces
* Added killall command
* Fixed feedbacks of awesomekling
* Implemented pidof program and helper to parse arguments called ArgsParser.
* Fixed feedbacks in pidof implem.
Fixes#26
