Fix bug: #2
Fix bug: #3
Fix design a bit
Explict version hinting for `showv`
Fix bug: (´-`).｡ｏO( how to state version eplictly?
Use selectors wrapper view class
Explict statement for `showv` version
Fix UI
Update manifest
[inspect] die browser icon click event
Fix bug: #7
Affect existing drawing context
Fix UI
Add Line tool: #11
[wip] Add Dropper tool
Fix bug: for #13
Update manifest
Add skel for options_page: #9
Fix skel of #9
Fix design a bit