Fix the number generator

The number generator disproportionately favors digits 1-5 over 6. This
fixes it using random's randint() function and the SystemRandom class.
Function numgen() will now always return a list.

README.md

@@ -16,7 +16,7 @@ To uninstall Dicekey: `sudo dpkg -r dicekey`
 
 ## Development
 
-Dicekey is developed on Trisquel GNU/Linux 6.0.1 TLS i686 with Python 2.7.3
+Dicekey is developed on Trisquel GNU/Linux 7 x86_64 with Python 2.7.6
 and checkinstall 1.6.2. There *are* plans to support other platforms.
 
 Development follows the the [Semantic
@@ -27,7 +27,8 @@ occur but we shall try to follow these guidelines to the best of our ability.
 ## Copyrights and Licenses
 
 Copyright (C) 2016  Kris Lamoureux
-> All Dicekey
+
+All Dicekey
 code is [Free Software](https://www.gnu.org/philosophy/free-sw.en.html)
 released under the [GNU General Public
 License](https://github.com/Kris619/Dicekey/blob/master/LICENSE) as published
@@ -35,6 +36,7 @@ by the Free Software Foundation, version 3 of the License.
 
 
 Copyright (C) 2001  Arnold G. Reinhold, Cambridge, Massachusetts USA.
-> A G Reinhold licenses its rights to the English Diceware Wordlist under the
+
+A G Reinhold licenses its rights to the English Diceware Wordlist under the
 [Creative Commons CC-BY 3.0](https://creativecommons.org/licenses/by/3.0/)
 license.

dicekey/diceware.py

@@ -14,7 +14,7 @@
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # Built-in
-import os
+import random
 
 
 # Generate Diceware numbers
@@ -25,14 +25,10 @@ def numgen(length=1):
         number = ""
 
         for _ in range(5):
-            bytedata = os.urandom(1)
-            intdata = int(bytedata.encode("hex"), 16)
-            result = intdata * 5 / 255 + 1
-            number = number + str(result)
+            PRNG = random.SystemRandom()
+            digit = PRNG.randint(1, 6)
+            number = number + str(digit)
 
         numlist.append(number)
 
-    if len(numlist) == 1:
-        return numlist[0]
-    else:
-        return numlist
+    return numlist

setup.py

@@ -17,7 +17,7 @@
 from distutils.core import setup
 
 NAME = "Dicekey"
-VERSION = "0.2.0-prealpha"
+VERSION = "1.2.0-prealpha"
 AUTHOR = "Kris Lamoureux"
 AUTHOR_EMAIL = "KrisPublicEmail@gmail.com"
 URL = "https://github.com/Kris619/Dicekey/"