fix test

fix test

Remove termination the process when all CodeDraw instances have been …

…closed

Fix bug where fillPolygon would only draw the ouline

Fix getPixel on high DPI devices

Minor spelling fixes in INTRODUCTION.md

Merge branch 'release_v4.0.0'

Merge remote-tracking branch 'origin/development_v3.0.0' into develop…

…ment_v3.0.0

Change name of ImmediateDraw to InstantDraw

(cherry picked from commit 62ab5e9)

Replace spaces with tabs