Corrected usage in README
Use bash shell arthmetic, remove redundant parameter expansion syntax.
Added alternative `hr` implementations section in README
Updated date in copyright
Mini typo fix in README
Add hr (ruby gem) to alternative list

I made a ruby alternative to `hr`. Let me know what you think!
Added alternative `hr`s languages to README
Added man page
Added Makefile
Updated the install instructions
Re-added instructions for quick setup and fixed bug in Makefile

* Makefile wasnt creating the man1 folder
* Added subsections for system setup
Fixed instructions to install

Using the `make install` by default needs root permission.
Makefile: file permissions, uninstall,..
Add Haskell implementation.

Because I have literally nothing better to do this afternoon.
Add Perl implementation
Add Powershell implementation
Update README.md
Add C port

I know the link looks ugly in comparison, but this port just went into my basket of helpful utilities rather than a repo of its own.
Update location of C clone

My C clone was moved to a different location.