Log Message:
Update p5-Object-Signature to 1.07.

Changes from previous:
1.07 Thu 24 Mar 2011
	- Updating to Module::Install::DSL 1.00
	- Removing the use of prefork as the modules we use are fairly small
	- Removed -w from test scripts to be compatible with tainting

1.06 Sat  6 Jan 2007
	- Added the specialised subclass Object::Signature::File