added coveralls badge as well

.gitignore

@@ -10,3 +10,4 @@
 
 # rspec failure tracking
 .rspec_status
+.coveralls.yml

README.md

@@ -1,4 +1,4 @@
-# Sequel::Tablefunc [![Build Status](https://travis-ci.org/fiscal-cliff/sequel-tablefunc.svg?branch=master)](https://travis-ci.org/fiscal-cliff/sequel-tablefunc) [![Gem Version](https://badge.fury.io/rb/sequel-tablefunc.svg)](https://badge.fury.io/rb/sequel-tablefunc)
+# Sequel::Tablefunc [![Build Status](https://travis-ci.org/fiscal-cliff/sequel-tablefunc.svg?branch=master)](https://travis-ci.org/fiscal-cliff/sequel-tablefunc) [![Gem Version](https://badge.fury.io/rb/sequel-tablefunc.svg)](https://badge.fury.io/rb/sequel-tablefunc) [![Coverage Status](https://coveralls.io/repos/github/fiscal-cliff/sequel-tablefunc/badge.svg?branch=master)](https://coveralls.io/github/fiscal-cliff/sequel-tablefunc?branch=master)
 
 This is sequel extension that makes using crosstab function more convenient
 

sequel-tablefunc.gemspec

@@ -35,4 +35,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"
   spec.add_development_dependency "pry", "~> 0.10"
+  spec.add_development_dependency "coveralls" 
 end

spec/spec_helper.rb

@@ -1,5 +1,7 @@
 require "bundler/setup"
 require "sequel/extensions/tablefunc"
+require 'coveralls'
+Coveralls.wear!
 
 DB_NAME = (ENV['DB_NAME'] || "tablefunc_test").freeze