Relax Liquid dependency to include 4.x

Author: bdesham

README.md

@@ -36,6 +36,7 @@ This project is [hosted on GitHub](https://github.com/bdesham/pluralize). Please
 
 The version numbers of this project conform to [Semantic Versioning 2.0](http://semver.org/).
 
+* 1.0.3 (2017-07-19): This Gem works with Liquid 4.x too.
 * 1.0.2 (2015-03-06): This Gem works with Liquid 3.x too and the dependencies should reflect that. Thanks to [Aidan Feldman](https://github.com/afeld) for verifying 3.x support and submitting the pull request.
 * 1.0.1 (2015-03-04): Correctly handle the number 1 when it is given in string form. Don’t refer to Jekyll in the code itself.
 * 1.0.0 (2013-08-20): Initial release.

liquid_pluralize.gemspec

@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
 	s.name				= 'liquid_pluralize'
-	s.version			= '1.0.2'
-	s.date				= '2015-03-06'
+	s.version			= '1.0.3'
+	s.date				= '2017-07-19'
 
 	s.author			= 'Benjamin Esham'
 	s.email				= 'benjamin@esham.io'
@@ -13,5 +13,5 @@ Gem::Specification.new do |s|
 
 	s.files				= ['lib/liquid_pluralize.rb']
 
-	s.add_runtime_dependency('liquid', ['>= 2.6', '< 4.0'])
+	s.add_runtime_dependency('liquid', ['>= 2.6', '< 5.0'])
 end