Fix: #477 enhanced Error display if COMPRESS_ROOT nor STATIC_ROOT is defined
Merge pull request #478 from iknite/fix_477

Fix: #477 Enhanced Error display if COMPRESS_ROOT nor STATIC_ROOT is defined
Added generic trove classifiers for Python 2.x and 3.x.

Thanks to @brettcannon for the suggestion.
Fix #477: Add install instructions for COMPRESS_ROOT and STATIC_ROOT.
Merge pull request #480 from iknite/Fix_docs_477

Fix #477: Add install instructions for COMPRESS_ROOT and STATIC_ROOT.