Merge pull request #19 from pickardjoe/master

You missed a spot, and by a spot I mean a single quote.
Preliminary work on smpmap replacement
More descriptive names for ciphers
World module updated, smpmap2 optimized
Import cleanup
Import cleanup
Massive bug potential in read_packet removed
Implemented thread pool to allow for defered world loading
Minor setups
Fixed race conditions in chunk loading
Trivial
Protocol correction, according to SirCmpwn