Fixed bug where background is changed even when user input is incorrect & added keyboard interrupt exception

Scripts/background.scpt

@@ -1,5 +1,5 @@
 tell application "iTerm"
 	tell current session of current window
-		set background image to "/Users/Laki/GitHub/Pokemon-Terminal-Themes/Images/Generation IV - Sinnoh/408.png"
+		set background image to "/Users/Laki/GitHub/Pokemon-Terminal-Themes/Images/Generation I - Kanto/003.png"
 	end tell
 end tell

backchanger.py

@@ -3,6 +3,7 @@
 import extractor
 import filegen
 import os
+import sys
 
 
 # Convert a Pokemon name to a number.
@@ -71,7 +72,9 @@ def other_handler(user_input):
     if number == -1:
         guessed = guess(user_input)
         if not guessed:
-            print("\"" + user_input + "\" is not a supported Pokemon or Region.")
+            print("\"" + user_input, end="")
+            print("\" is not a supported Pokemon or Region and no suggestions are available.")
+            sys.exit()
         else:
             return
     else:

main.py

@@ -4,13 +4,18 @@ from sys import argv
 import time
 import printer
 import backchanger
+import sys
 
 
 # Test each Pokemon in order, one by one.
 def debug():
     for x in range(1, 494):
         backchanger.change_background(x)
-        time.sleep(0.25)
+        try:
+            time.sleep(0.25)
+        except KeyboardInterrupt:
+            print("Program was terminated.")
+            sys.exit()
 
 
 # Entrance to the program.