Add TestUrl from phoneME
Add TestRC4 from phoneME and its dependencies
Add TestSprite from phoneME
Add TestKeyConverter from phoneME
Fix KeyConverter natives
Add TestHttpUrl from phoneME
Merge pull request #168 from marco-c/test_url

Add some tests from phoneME
Add failing test case for MD5
Merge pull request #169 from marco-c/add_failing_test_md5

Add failing test case for MD5