Fixed #26, added travis config

Author: Ivan Demidov

.travis.yml

@@ -0,0 +1,9 @@
+language: node_js
+node_js:
+  - iojs
+  - v5.7.0
+  - "4.2.2"
+  - "0.12"
+  - "0.10"
+after_success:
+  - './node_modules/.bin/nyc report --reporter=text-lcov | ./node_modules/.bin/coveralls'