Swapped reference equality checks and value equality checks

Ran into an issue with the most recent branch where Python 3.8.10 was erroring out because of "is" and "is not" instead of "==" and "!=" on a couple lines. Nothing crazy, but this fixed it for me.

hate_crack.py

@@ -880,7 +880,7 @@ def quick_crack():
     while wordlist_choice is None:
         raw_choice = input("\nEnter path of wordlist or wordlist directory.\n"
                            "Press Enter for default optimized wordlists [{0}]:".format(hcatOptimizedWordlists))
-        if raw_choice is '':
+        if raw_choice == '':
             wordlist_choice = hcatOptimizedWordlists
         else:
             if os.path.exists(raw_choice):
@@ -898,7 +898,7 @@ def quick_crack():
         raw_choice = input('Enter Comma separated list of rules you would like to run. To run rules chained use the + symbol.\n'
                             'For example 1+1 will run {0} chained twice and 1,2 would run {0} and then {1} sequentially.\n'
                             'Choose wisely: '.format(hcatRules[0], hcatRules[1]))
-        if raw_choice is not '':
+        if raw_choice != '':
             rule_choice = raw_choice.split(',')
 
     if '99' in rule_choice: