Ulquikit 0.2.1

Release 0.2.1 marks some minor changes and bug fixes:

• ulqui update command is added. Users can update to latest stable version very easily.
• --help option is working
• schiffer now outputs help when calling with invalid arguments.
• Version is embedded inside source code.
• Better documentation.

MD5 Sum: 8c8274f2992958749fa57565804982ae