test fixes

thanks @JobJob!

compat

Compat, Doc and Travis fixes by @rdeits

Minor Bugfix Release

Corrects #153

v0.4.2: Merge pull request #151 from JuliaGizmos/jbj/option-pairs

Another bug fix cc @JobJob

bug fixes

by @JobJob

Another Degree of Freedom

This release has @JobJob's amazing work that adds a slew of great features: Layouts, vertical sliders, selection sliders, the set! function, correct handling of stdout and stderr, and better syncing of values between Julia and the browser.