Fix ajax cache buster to modify the url before opening

A previous bugfix required opening the request earlier, but accidentally
neglected to move up url modification as well.
Bump version to v0.3.4
Fix console log suffix to be the empty string for sufficiently long log lines
Merge branch 'master' of git://github.com/meiguro/simplyjs
Merge branch 'master' of github.com:CloudPebble/simplyjs