Custom sort and facets sorting

What's Changed

• facets sorting by @cigolpl in #7
• Demo by @cigolpl in #10
• Transpile JS to ES5 before building by @saminzadeh in #22
• Transpile JS to ES5 before building by @cigolpl in #23
• New npm version 1.0.40 by @cigolpl in #24
• Delete contribution.md by @cigolpl in #25
• CircleCI Integration by @cigolpl in #26
• filter function by @cigolpl in #31
• Allow for multiple sort criteria and custom sort by @carab in #33

New Contributors

• @carab made their first contribution in #33

Full Changelog: v1.0.30...v1.0.42