Allow passing in optional filename for sendHttpResponse callback to customize downloaded name, defaults to generated.pdf. Bumped version to 1.1.0 (bumped minor version, reset patch version, since it is a backwards compatible API change - i.e. http://semver.org/)
Merge pull request #3 from cbumgard/master

Ability to customize downloaded PDF filename (instead of "generated.pdf"). Optional param. Bumped version according to semver.org