Release merit v4.0.1, update NEWS

Author: tute

NEWS.md

@@ -2,6 +2,10 @@
 
 User-visible changes worth mentioning.
 
+## 4.0.1
+
+- [#351] Fix bug on generating migrations
+
 ## 4.0.0
 
 - Stop testing on Rails 5.1

merit.gemspec

@@ -6,7 +6,7 @@ Gem::Specification.new do |s|
   s.files       = `git ls-files`.split("\n").reject{|f| f =~ /^\./ }
   s.test_files  = `git ls-files -- test/*`.split("\n")
   s.license     = 'MIT'
-  s.version     = '4.0.0'
+  s.version     = '4.0.1'
   s.authors     = ["Tute Costa"]
   s.email       = 'tutecosta@gmail.com'