Correctly decode gzip responses; update rspec version

Regarding decoding gzip responses:
http://stackoverflow.com/questions/13397119/ruby-nethttp-not-decoding-gzip
Bump version to 1.1.1
Allow specifying a "section" (movies or dvds)
Better error message when movie list type is not found
Fix correctness check
Update version
Renaming, fixing documentation, rspec