findClosest: array index should be interger.
add the missed transparent which will be used by worker
Merge pull request #21 from zbryikt/master

fix for transparent option
0.1.6
Update README.md

Spelling.
Merge pull request #22 from DGO143/patch-1

Update README.md
dithering
serpentine scanning
GIFEncoder global palette
global palette
support workers
removed color caching as it was actually slower...
Merge pull request #26 from panrafal/feature/dither

Dithering support
Merge pull request #27 from panrafal/feature/globalpalette

Option to override palette for all frames