Merge pull request #151 from rixner/master

Fixing 0 == None
Download GEA only when updating the site
Merge pull request #152 from albertjan/travis-setup-8

Download GEA only when updating the site
move check for GAE to the right place
Merge pull request #153 from albertjan/travis-setup-9

move check for GAE to the right place
Bug Fix:  window_width/height were not returning proper numbers
repl fix don't eval empty lines

fixes #159
do continue compiling after an empty line

otherwise block statements can't be terminated
accidentally added this file
update .gitignore

so it won't throw away the zips when publishing to the site
random.randrange(X) now returns a proper int.  Fixes #161
Merge pull request #160 from albertjan/repl-dont-eval-empty-line

repl fix don't eval empty lines
Forgot to bump version in bower.json