Adds support for 'noon' to sample grammar
Adds another annotation error to TimeMLProcessor
Removes +FindEnclosing variants in favor of allowing FindEnclosing to take a [Period]
Adds TimeSpan argument to FindEarlier/FindLater and friends
Adds support for FindEnclosed
Fixes regression caused by getting rid of FindCurrentOr* by reviving them as the similar FindAtOr*
Use FindEnclosed instead of special-casing 'this morning', etc.
Allows years to be split into months
Adds some more annotation errors and known failures
Adds handling of things like 'January last year' to sample grammar