Add simple test for ARC4
Implement ARC4 native
Add other test vectors
Update automation.js
Add other crypto-related classes
Add DES classes
Add SecretKeySpec class
Add KeySpec class
Merge pull request #161 from marco-c/arc4

Implement ARC4 missing native
Add Key class
Merge pull request #162 from marco-c/other_crypto_classes

Other crypto-related classes