libbash: Currently available libraries

# Currently available libraries

- getopts - Library for command line parameters parsing
  - man page
- hashstash - Library that implements hash data structure
  - man page
- locks - Library that implements simple, multiprocess access locking
  - man page
- colors - Library for priniting color messages on tty
  - man page
- messages - Library for printting pretty, bootscripts-like, messages
  - man page
- urlcoding - Library for converting ASCII text to valid URL, and vice versa
  - man page