- fix closeAllSessions() and move it Session to PKCS11Lib
- add RSAOAEPMechanism to support RSA Encryption
- add DigestSession which enables multi-part digesting
- add Elliptic curve keypair generating mechanism
- fix bug in Templates using booleans CK_TRUE/CK_FALSE
Templates are used by generateKey(), generateKeyPair(),
findObjects() createObject(), unwrapKey()
- fix dumpit.py sample for Python 3