Squashed 'core/' changes from 8e1a461..af4d66c

af4d66c Merge develop
27379a6 Plugin not supported stack trace issue fixed. Fixes #111
8b2d077 Fixing ApplicationContext tests
a2079de Adding contributors link
6c7e76c Update CHANGELOG.md

git-subtree-dir: core
git-subtree-split: af4d66c4c89dc3bda98195fb44d8133cb0d75043
Merge commit '0b64bf114be0dc3858b3c0462b923e494754ff5f' into feature/webdavssl