fixed pretty much most of it up

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
 
@@ -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'
@@ -204,8 +204,9 @@ 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: ')
@@ -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():
@@ -283,7 +284,7 @@ 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')
@@ -328,3 +329,7 @@ elif(choice == '11'):
         i = input('String:')
         resolveZeroWidthString(i)
     print('Thank you for flying with PankiCrypt Airlines!')
+
+
+if __name__ == '__main__':
+    main()