1.8.0

• fix wrong create/updateCalendarObject Content-Type (thanks @ardean!)
• Filter out non-calendar resource types to prevent failure to load obj (thanks @robinknox!)

v1.7.8

• listCalendars passes through all calendars that contain iCalendar
  objects and not just VEVENTs. Thanks @nhynes!

v1.7.6

• Bundle regeneratorRuntime and polyfills for Array.prototype.find
  and Object.assign so that consumers don't need babel polyfill.

v1.7.5

• Trimmed the binary size to 128k minified
• Remove babel polyfill
• Remove handlebars

v1.7.4

• Precompile handlebars templates
• Use custom debug module

v1.7.3

• Google CardDAV wasn't working due to a few issues like our url comparison, Google requiring at least one filter for an addressbook query, and Google sometimes returning propstats with statuses but no props.

v1.7.2

• Fix outstanding nodejs compatibility issues
• Expose dav.version

v1.7.0

• Remove lodash, json-stringify-safe, don't expose jsonify

v1.6.5

• Add brfs as a dependency so that downstream consumers can browserify us

v1.6.4

• Convert to es6/7 syntax and transpile with babel