formulaic 0.4.0

* Translations for submit falls back to same defaults as form builder
  submit.
* Add configurable default_wait_time, useful for speeding up js tests
* Treat `Symbol` values as string input
* Try translating option for select in StringInput
* Humanize attribute when translation fails and class does not exist
* Use Integer instead of deprecated Fixnum
* Drop support for ruby 2.1

lib/formulaic/version.rb

@@ -1,3 +1,3 @@
 module Formulaic
-  VERSION = '0.3.0'
+  VERSION = '0.4.0'
 end