v1.7.0

Backward-Compatible Features

• Adds support for Google Cloud Text-to-Speech (#37). AWS is the default unless --service gcp is specified. See the docs for full details.

Miscellaneous

• Add Options details doc (f4cf530)
• Switch from .npmignore to files list (cbe7e98)
• Remove package-lock.json (967151a)
• Update the screenshot animation (1465124)