Fix wrong urls built by using bundle.urls instead of bundle.build
Refactor the condition test of webassets version everywhere
Merge pull request #49 from keitheis/refactor_webassets_version_info

Refactor the condition test of webassets version everywhere
Merge pull request #48 from keitheis/fix_build_urls

Fix wrong urls built by using bundle.urls instead of bundle.build
Update CHANGES
Refactor redundancy in tests