Experimental :
- Changed the way quoteIdentifier() callbacks are handled in the customgrid/collection helper, to hopefully fix some strange errors that occur on certain installs
- Added a new feature to detect filters that may cause ambiguous column errors, and assign them an automatically detected table alias to prevent those errors (could eg happen when certain custom columns were added to a grid, and that grid was filtered on a field coming from a third-party extension - therefore not expected by prepareGridCollectionFiltersMap() -)