Maintenance release v3.0.10

• Added: Allow callables to be registered as repository classes #5523
• Change: Improve logic of hydration events on create #5521
• Change: Refactor the hydration event to use an ArrayObject #5518
• Fixed: Cant open readme from extension on WINDOWS #5501
• Fixed: Check isallowed on new page buttons #5529
• Fixed: Ensure the id is unique in repeater fields #5526
• Fixed: Fix comment on default image sizing #5528
• Fixed: Tokenise PHP version string to remove -extra on Debian #5524
• Update: Updating dependencies for base-2016. #5520