Bump version and update changelog

Merge pull request #25 from subeshb1/fix/dash_number_key_failure

Add quote to dynamically accessed key names

Merge pull request #21 from subeshb1/hot-fix/prevent_null_body

Prevent null value being sent in body if it is not provided.

Merge pull request #15 from subeshb1/feature/support_external_scripts

Add external script integration

Merge pull request #8 from subeshb1/feature/add_test

Support automated testing

Merge pull request #7 from subeshb1/hot-fix/format

Hot fix/format