imgmega.com

Fix infinity loop.
Update changelog.
Bump version.
Fix Function.apply problem.

see greasemonkey/greasemonkey#1949
close #592
Update changelog.
Bump version.
Fix lienscash.com
Merge pull request #593 from bitst0rm/master

Fix lienscash.com
Also clone function in the object.
Update contributors.
Update changelog.
Bump version.