Added a compiled username regex similar to slugify
Simplified the creation and checking of guards
Renamed more_url/more_cursor to next_url/next_cursor
Bumped pre-release version
Merge pull request #180 from mdxs/add_username_re

Added a compiled username regex similar to slugify
Merge pull request #181 from mdxs/simplify_guards

Simplified the creation and checking of guards
Bumped release version
Tutorial updated to 1.0.0
Merged with gae-init