Merge pull request #98 from go-spatial/dev

Clone functionality

Merge pull request #85 from go-spatial/dev

Refactor and major UI updates

Merge pull request #59 from go-spatial/source-polish

Source polish

Merge pull request #58 from go-spatial/settings-bug-fix

fixed source settings bug

Merge pull request #57 from go-spatial/source-fixes

Source fixes

added sort-object

property array support (incomplete)

Merge pull request #44 from go-spatial/viewer

Added a self-contained viewer