Added verify and sign commands, fixed some bugs in other commands
diff --git a/setup.py b/setup.py
index 436374a..6286e58 100755
--- a/setup.py
+++ b/setup.py
@@ -37,6 +37,8 @@
         'pyrsa-keygen = rsa.cli:keygen',
         'pyrsa-encrypt = rsa.cli:encrypt',
         'pyrsa-decrypt = rsa.cli:decrypt',
+        'pyrsa-sign = rsa.cli:sign',
+        'pyrsa-verify = rsa.cli:verify',
     ]},
 
 )