Replaced all Array.concat() with spread operator and/or push().
Fixed some faulty search logics when using exclusion filters.
Fixed capitalization of mac font in _variables.scss. Stylelint somehow
fricked up again in my previous commit.
File extension change since bulma v0.9.1
Added new dev dependencies:
bulma, gulp-sass, node-sass
Updated some dependencies
Various other things related to styling
Bumped v1 version string and rebuilt client assets