Merge pull request #25 from xavismeh/master

[WIP] Added get_option helper in twig when available
Merge pull request #26 from xavismeh/master

Added wp_get_post_meta twig functions reproducing original WP behavior
Merge pull request #28 from xavismeh/master

Added twig as suggested package
Fixed failing test
Revert "Fixed failing test"

This reverts commit e281b1305066c9f93cc52ceb876eef6cffa3ceeb.
Added ability to use i18n cross application
Merge pull request #31 from xavismeh/master

Various fixes
Merge pull request #30 from xavismeh/x-app-i18n

Enabled cross app i18n support