Enhanced filter command with chunk support, regex support, into clause and convert semantics
Added release notes for enhanced filter command
Incorporated runrevmark's feedback on memory ownership
Incorporated runrevmark's feedback on memory ownership (take two)
Updated dictionary notes for filter command
Incorporated runrevmark's feedback on case (in)sensitive regular expression matching
Refactored regex caning mechanism and case sensitivity handling
Merge branch 'feature-filter_enhancements' of https://github.com/quartamsoftware/livecode into feature-enhanced_filter
[[ EnhancedFilter ]] Added referencing comments.
[[ EnhancedFilter ]] Tweaked function definitions of MCR_compile and MCPatternMatcher() to indicate ownership of string (i.e. made them const char *).
[[ EnhancedFilter ]] Removed 'ep.getsvalue().clone()' uses where not necessary as functions being called copy the pattern.
[[ EnhancedFilter ]] Moved "matching" token to Sugar table (rather than prepositions).
[[ EnhancedFilter ]] Added 'delete' for pattern string in MCR_free.
[[ EnhancedFilter ]] Removed the 'usecache' parameter from MCR_compile as there's never a reason not to use the cache.
Merge branch 'feature-enhanced_filter' into develop