v1.1.0

• validation script now waits for the load event
• fixed issue with specificity on critical input styling
• when auto-inserting DC, if user hits + then assume typing new number so wipe the DC
• added allowNational argument for public isValidNumber method
• fixed issue with unbinding keypress event
• selecting another country then deleting the dial code no longer takes you back to the default country
• replaced americaMode with more generic nationalMode