Complete working solution of the CodeStyliser utility

this release solves all the issues faced till now, i think.
With an updated readme too!

Added

• Support for giving only filename as a command line argument, using python's argparse package. One Can now give File name using -f or a directory name using -d flags. Help can be obtained by -h.

Changed

• Updated README
• Updated Command line output

Removed

• Compulsory Directory name.