Fixed Py3.2, added Py3.1.

Author: cipherboy

.travis.yml

@@ -3,6 +3,7 @@ language: python
 python:
     - "2.6"
     - "2.7"
+    - "3.1"
     - "3.2"
     - "3.3"
     - "3.4"

SSSA/utils.py

@@ -78,7 +78,14 @@ def to_base64(self, number):
         return result
 
     def from_base64(self, number):
-        tmp = base64.urlsafe_b64decode(number)
+        byte_number = number
+        try:
+            byte_number = bytes(byte_number, "utf8")
+        except:
+            byte_number = bytes(byte_number)
+
+        tmp = base64.urlsafe_b64decode(byte_number)
+        
         try:
             tmp = bytes(tmp, "utf8")
         except: