diff --git a/crypttool.py b/crypttool.py
index d0e9014..c0accc4 100644
--- a/crypttool.py
+++ b/crypttool.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-import sys, string, types, hashlib, base64, re, urllib, binascii
+import sys, string, types, hashlib, base64, re, binascii
 import operator
 from collections import Counter
 
@@ -89,7 +89,7 @@ def rot(inputString, amount):
         resultChar = ''
         if char.isupper():
             index = UPPER_LETTERS.index(char)
-            resultChar = UPPER_LETTERS[(index + amount)%len(UPPER_LETTERS)]
+            resultChar = UPPER_LETTERS[(index + amount) % len(UPPER_LETTERS)]
         elif char.islower():
             index = LOWER_LETTERS.index(char)
             resultChar = LOWER_LETTERS[(index + amount) % len(LOWER_LETTERS)]
@@ -162,7 +162,7 @@ def resolveZeroWidthString(inputstring):
     charfound = False
     binarystring = ''
     resultstring = ''
-    inputstring = inputstring.decode('utf-8')
+    #inputstring = inputstring.decode('utf-8')
     for char in inputstring:
         if char == u'\u200b':
             binarystring += '1'
@@ -204,11 +204,12 @@ def hammingDistance(string1, string2):
     return diffs
 
 def urlEncoder():
-    input = input('Pleae input your String: ')
-    print(urllib.quote_plus(input))
+    import urllib.parse
+    url = input('Pleae input your String: ')
+    print(urllib.parse.quote(url))
 
 def reverser():
-    string = input('Please input your string to reverse:')
+    string = input('Please input your string to reverse: ')
     print(string[::-1]) 
 
 def base64prompt():
@@ -232,7 +233,7 @@ def base64prompt():
         if (re.match(b64regex, inputString)):
             print(base64.b64decode(inputString))
         else:
-            print(base64.b64encode(inputString))
+            print(base64.b64encode(inputString.encode()))
 
 
 def rotPrompt():
@@ -283,48 +284,52 @@ def hashPrompt():
         inputString = input('Please input a string: ')
         hasher.update(inputString.encode('utf-8'))    
     print(hasher.hexdigest())
+def main():
+    print('Welcome aboard PankiCrypt Airlines!')
+    print('How may we serve you today?')
+    print('1: ROT/Ceasar Encryption')
+    print('2: Hashing functions')
+    print('3: Translation')
+    print('4: Base64 Encoder/Decoder')
+    print('5: String Reverser')
+    print('6: URL Encoder')
+    print('7: Fixed XOR')
+    print('8: XOR Bruteforce Single Byte ')
+    print('9: XOR Repeating Key')
+    print('10: Zero-Width String')
+    print('11: Resolve Zero-Width Strings')
+    choice = input('Please make a selection: ')
+    if (choice == '1'):
+        rotPrompt()
+    elif (choice == '2'):
+        hashPrompt()
+    elif (choice == '3'):
+        translatePrompt()
+    elif(choice == '4'):
+        base64prompt()
+    elif(choice == '5'):
+        reverser()
+    elif(choice == '6'):
+        urlEncoder()
+    elif(choice[0] == '7'):
+        if(len(choice) > 1):
+            argList = choice.split(' ')
+            fixedxor(argList[1], argList[2])
+        else:
+            fixedxor()
+    elif(choice == '8'):
+        #xorSingleBrute()
+        xorBrutePrompt()
+    elif(choice == '9'):
+        xorRepeating()
+    elif(choice == '10'):
+        i = input('String:')
+        zeroWidthString(i)
+    elif(choice == '11'): 
+        i = input('String:')
+        resolveZeroWidthString(i)
+    print('Thank you for flying with PankiCrypt Airlines!')
 
-print('Welcome aboard PankiCrypt Airlines!')
-print('How may we serve you today?')
-print('1: ROT/Ceasar Encryption')
-print('2: Hashing functions')
-print('3: Translation')
-print('4: Base64 Encoder/Decoder')
-print('5: String Reverser')
-print('6: URL Encoder')
-print('7: Fixed XOR')
-print('8: XOR Bruteforce Single Byte ')
-print('9: XOR Repeating Key')
-print('10: Zero-Width String')
-print('11: Resolve Zero-Width Strings')
-choice = input('Please make a selection: ')
-if (choice == '1'):
-    rotPrompt()
-elif (choice == '2'):
-    hashPrompt()
-elif (choice == '3'):
-    translatePrompt()
-elif(choice == '4'):
-    base64prompt()
-elif(choice == '5'):
-    reverser()
-elif(choice == '6'):
-    urlEncoder()
-elif(choice[0] == '7'):
-    if(len(choice) > 1):
-        argList = choice.split(' ')
-        fixedxor(argList[1], argList[2])
-    else:
-        fixedxor()
-elif(choice == '8'):
-    #xorSingleBrute()
-    xorBrutePrompt()
-elif(choice == '9'):
-    xorRepeating()
-elif(choice == '10'):
-    i = input('String:')
-    zeroWidthString(i)
-elif(choice == '11'): 
-    i = input('String:')
-    resolveZeroWidthString(i)
-print('Thank you for flying with PankiCrypt Airlines!')
+
+if __name__ == '__main__':
+    main()