Fixed PHP-479: Compiler warnings

I've also added the forcing of -Wall to the ./rebuild.sh script. Please use
that so that we catch compiler warnings in the future before committing.
Merged pull request #270
BUMP 1.3.3
Fixed compiling on PHP 5.2 and PHP 5.3 which has a different init_properties.

Why this is in a macro is beyond me!
Back to dev.
Disabled this test until it stops messing up the rest.
Fix several leaks from ensure_gridfs_index() and cleanup the cursor
Merged pull request #269