rewrote rar_postprocessing and boy howdy is it a lot better

20-120x faster, far more accurate and also sets the groundwork for renaming hashed releases
fixed a yenc error that could pop up if people are assholes and post random shit where segments should be
removed unnecessary debug line
added compressed header support (thanks @kevinlekiller), improves scan speed significantly
added new author
updated nntplib-compression
updated nntplib
fixed a bug that could stop start.py
fix a bug that could stop start.py if an nzb contains no files (these should be deleted anyway)
removed redundant debug output
updated nntplib
Merge pull request #11 from Murodese/development

Merge Development
basic setup for webui
added basic groups page