Don't log React Native warning in production (#105)
Don't log React Native warning in production (#105)

* Fix double invocation of async `validate` method.
This also fixes incorrect Promise handling, when multiple runs of `validate` method caused Promises to remain unhandled.

* Don't log React Native warnings in production.
Yet still early escape from event handler.

jaredpalmer/formik,jaredpalmer/formik,jaredpalmer/formik