upgrade ez_setup.py
add min/max char count of tokens in simple_preprocess as parameters
Change total_words count from an iteration over all vocab items to a simple addition.  This speeds things up a lot when processing billions of total words.
Merge pull request #139 from holopoj/develop

word2vec: Change total_words count from a function to a count
update readme docs
Merge branch 'develop' of github.com:piskvorky/gensim into develop
deprecate the light flag in pattern lemmatizer
minor logging improvements
re #144: fix leaking threads in RMI
re #144: fix threads in distributed LSI
Merge branch 'pyro_threads' into develop
update CHANGELOG
Fixing example code overflow in documentation
Merge pull request #145 from dfm/patch-1

Fixing example code overflow in documentation
minor word2vec doc change
Merge branch 'develop' of github.com:piskvorky/gensim into develop
add perplexity logging to LDA + improve docs
allow specifying dtype in corpus2dense
default chunksize=256 in Similarity (was: 1024)
eat newline when present in binary dfformat