Improve operator overloading description for opEquals.
Improve operator overloading description for opAssign/assignment overload.
fix Issue 9994 - Built-in generated opAssign should call dtor on assignment
Apply Andrej's review
Merge pull request #316 from 9rnsr/fix_opover

Improve descriptions for opEquals and opAssign
Add AA.remove() return behaviour
Merge pull request #333 from Infiltrator/patch-1

Add AA.remove() return behaviour