3.0.1: Added Toolbar Support.

Major Changes

• V3 Add support for controls and dashboard customization: #230

Minor Changes

• Add spreadsheet loading docs.: 4839448
• [Docs] Update docz to 0.9.6: 742f767
• [Docs] Add docs for loading from API.: 3fd1266
• Add From API tests.: 7b07525
• [Docs] Update website.: fbe932d
• [Docs] Fix typo: a8e00ed
• [Docs] Add interactivity to Chart example.: 56996b5