0.4.0

What's changed

• Code style changes
• Remove initialize method
• Increment significantly (90%) library speed and removes initialize method.
• Now add_plural_rule and add_singular_rule accept a Regex instead of a String
• Now add_uncountable_rule accepts an enum UncountableRule that allows Regex and String addition

Now the first call to pluralize is ~20ms and all the calls after are <1ms

Full Changelog: 0.3.2...0.4.0