Complete name change

Author: lmrodriguezr

README.md

@@ -12,7 +12,7 @@ gem install strain-code
 ## Usage
 
 ```ruby
-require 'strain_code'
+require 'strain-code'
 
 # Parse one or more numbers in a variety of formats
 str_no = StrainCode.parse <<STR_NO

Rakefile

@@ -3,7 +3,7 @@ require 'rake/testtask'
 
 $:.unshift File.join(File.dirname(__FILE__), 'lib')
 
-require 'strain_code/version'
+require 'strain-code/version'
 
 SOURCES = FileList['lib/**/*.rb']