v1.4.2

Features

• Add support for predefined color schemes: chartjs-plugin-colorschemes
• Add support for Google Image Charts QR code format
• Add support for emoji fonts

Bugfixes

• Fix a crash when graph doesn't have datasets
• Fix a bug where outlabeledDoughnuts would not support charts with doughnutlabels plugin
• Set Google Image Charts pixel ratio to 1.0 (true size)
• Handle and log failed Google Image Charts

Misc

• Add X-quickchart-error header which is populated on error
• Add built-in chart padding plugin
• Add width and height maximums