added feature that allows to process all file in a directory while
loading the models only once
also made the three source files conform strictly to PEP8 (via flakes8)
	modified:   huntag.py
	modified:   tagger.py
	modified:   tools.py
Merge pull request #5 from recski/input-dir

added feature that allows to process all file in a directory while loading the models only once
added lex files from hunner; added hunmisc dependency; changed liblinear module to hunmisc.liblinear