Longest line extern version.
Remove Makefile.
Print int ranges example.
Merge branch 'feature/ranges' into develop

* feature/ranges:
  Print int ranges example.
  Remove Makefile.
Separate first character.
Add read-char-loop.
Add htoi exercise.
Add squeeze.c file.
Add any.c file.
Add getbits file.
Fix gitbits return value.
Move printbits finction into bits.c file.
Add setbits.
Improde gitignore.
Implement lower letters converter.
Indentation.