fix issue where saving config is not executed

minitch.py

@@ -2,6 +2,7 @@
 import os
 import subprocess
 import argparse
+import atexit
 from shutil import unpack_archive
 import yaml
 import mergedeep
@@ -110,7 +111,10 @@ def parser_run(args):
     os.chdir(config['games'][args.game_id]['path'])
     os.chmod(config['games'][args.game_id]['executable'], 755)
     game_args = config['games'][args.game_id]['args'] if 'args' in config['games'][args.game_id] else []
-    subprocess.run([config['games'][args.game_id]['executable'], *game_args])
+    try:
+        subprocess.run([config['games'][args.game_id]['executable'], *game_args])
+    except KeyboardInterrupt:
+        pass
 
 def parser_list(args):
     global config
@@ -120,6 +124,9 @@ def parser_list(args):
 def main():
     read_config()
 
+    # Write config on exit
+    atexit.register(write_config)
+
     parser = argparse.ArgumentParser(description='Tiny little itch.io client')
     subparsers = parser.add_subparsers(title='subcommands', description='valid subcommands', help='additional help')
 
@@ -163,7 +170,5 @@ def main():
     except AttributeError:
         parser.error('too few arguments')
 
-    write_config()    
-
 if __name__ == "__main__":
-    main()
+    main()