Initial attempt to test some of the mat stuff.
Clean up the material test, still incomplete.
Merge pull request #68 from unknownbrackets/ge-commands

Start of a test of the material-related GE commands
Test the length parameter for systemparam strings.
Merge pull request #69 from unknownbrackets/systemparam

Test the length parameter for systemparam strings
Fix the sceSas tests, add some checks to them.
Oops, need to start the resched test thread.
Merge pull request #70 from unknownbrackets/sas

Fix the sceSas tests, add some checks to them