Merge pull request #168 from Earl-Brown/patch-1

Support Format version 4

Merge remote-tracking branch 'refs/remotes/origin/development'

Updated version to 4.5.2

Fixed an error

Changelog button now opens changelog dialog instead of text file

Fixed some spelling mistakes in the about dialog

Added credits to about tab

Mcversion in sidebar now updates when changing minecraft assets + Removed some info from the titlebar

Merge pull request #129 from mcRPW/development

Updated version to 4.5.1

Added Minecraft version to sidebar

Old asset files are now deleted + fixed 4.5.0 changelog being very wide

Invalid folders will no longer be displayed in select target Minecraft folder

Current minecraft version is now selected in select target Minecraft version