Add scripts for removing log statements before publishing

Profiling this library with nvim and YouCompleteMe opening big files showed that
the log statements(mostly the 'debug' ones) were the cause of significant
performance impact, even with logging disabled at the debug level(about 3
seconds improvement on the benchmark described at #17)

This commit adds a set of scripts that temporarily remove log statements in
order to publish a more optimized version to pypi.

The script used to process the python files were taken from this article:

http://dound.com/2010/02/python-logging-performance/
User eager buffer evaluation while iterating lines

When some python code needs to iterate the lines of a buffer, it is best to
evaluate the lines eagerly to avoid unnecessary msgpack-rpc round-trips.

This is not only faster, but more coherent with vim behavior, since with nvim
it's possible the buffer is modified in the middle of a loop
Bump version
Merge pull request #19 from tarruda/more-optimizations

More optimizations