Some Improvements

Fixed:

1. Multiple folder while creating extension: (Line 93)
   Name: Power Menu
   UUID: Power Menu@extensions (should be power_menu@extensions)
2. Improved error: "too many arguments" (Line 24, 112)
3. Wrong wrote UUID in "uuid_notfound" function (Line 38)
4. Unused user input prompt (Line 15)
5. UUID is not converted to lowercase after "name_notfound" function (Line 9-12 to 25-28)
6. Unused blank on last line (Line 181)

Inital Release

This is the first release of gnome-shell-extension-creator