Refactored script to allow gradual testing
Added ProcessorConfig to specify command line opts
Increased default number of lines in batch
Ensure label names are in lowercase before lookup
Model selection
Restructured processor
Removed unused code, introduced multi flag
Refactored evaluation code
Fix bug with replacement of unprintable characters
Merge branch 'master' of github.com:nkait/issue-labeler

Conflicts:
	script.py
Slight change in output format
Refactored feeding code
Vowpal Wabbit output generation
Parallel vw implementation