Update master

CHANGELOG.markdown

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 Next Release
 ============
 
-* [#188](https://github.com/intridea/grape/pull/188): Fix: multi-method routes should append '(.:format)' only once - [@kainosnoema](https://github.com/kainosnoema).
+* [#186](https://github.com/intridea/grape/issues/186): Fix: helpers allow multiple calls with modules and blocks - [@ppadron](https://github.com/ppadron).
+* [#188](https://github.com/intridea/grape/pull/188): Fix: multi-method routes append '(.:format)' only once - [@kainosnoema](https://github.com/kainosnoema).
 * [#64](https://github.com/intridea/grape/issues/64), [#180](https://github.com/intridea/grape/pull/180): Added support to get request bodies as parameters - [@bobbytables](https://github.com/bobbytables).
 * [#175](https://github.com/intridea/grape/pull/175): Added support for API versioning based on a request parameter - [@jackcasey](https://github.com/jackcasey).
 * [#168](https://github.com/intridea/grape/pull/168): Fix: Formatter can parse symbol keys in the headers hash - [@netmask](https://github.com/netmask).