RSA: add unit test for $rsa->loadKey()
Merge pull request #236 from terrafrost/rsa-loadkey-unittest

RSA: add unit test for $rsa->loadKey()

* terrafrost/rsa-loadkey-unittest:
  RSA: add unit test for $rsa->loadKey()
Merge branch 'master' into php5

* master:
  RSA: add unit test for $rsa->loadKey()