Bump version

Author: MathijsK93

activerecord-not_nil.gemspec

@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |spec|
   spec.name     = 'activerecord-not_nil'
-  spec.version  = '0.0.2'
+  spec.version  = '0.0.3'
   spec.summary  = 'Add support for a not_nill type to active record.'
   spec.files    = Dir['lib/**/*.rb']
   spec.authors  = ['Payt devs']