Release Name: 0.3.3

Notes: Major changes: * New command line interface based on CommandParser * Now you can let webgen create the basic directories and files by executing webgen create my_site * New logging plugin lets you have more control over logging and log files * Now each website can have a plugin directory * New parameters for: wikilink * Changed format of backing files → have a look at the documentation! * Removed obsolete Extension Loader plugin * Fixed bugs