1.7 version release, changes below.

changes:
1 - added version output option
2 - fixed options documentation
3 - added options to use 2 parts of pattern variables
4 - refactored cmake build script

fix build.md documentation

fix docs and help message, changed to getopt.

simplify program #1

Add cmake build to project

Add an feature for count only comments in files

Minor fixes and removed gif image

Solved problem with adding '/' at user/default path

Added an option to check program version

Update the help message