Webshot 0.3.1

Changes

• The leading tilde in the path of PhantomJS is expanded now (#19).
• Changed URL for PhantomJS binaries so that install_phantomjs() doesn't hit rate limits, and added workaround for downloading problems with R 3.3.0 and 3.3.1.

Webshot 0.3

This is the first version of Webshot released on CRAN.