SSL.Connection: Received fatal alerts now invalidate the session.
Testsuite: Added some tests of [bug 7384].
Filesystem.Zip: New filesystem class with support for operation on Zip files.
master: add support for searching ZIP archives as part of the module path.
Fixed unused argument warning.
check_type_string is a noop. Remove it.
Optimizations (mostly).
Optimizations (mostly).
Compiler [amd64]: Fixed code generator for INC/DEC.

Fixes [bug 7384].