Version 2.2.1 (Performance Improvements)

• Performance improvements to graph components.
• Trying to figure out d3v4 'merge'.
• Typo 'Reusable Chary Library' -> 'Reusable Chart Library'.
• Formatting tidy.

Version 2.2.0 (Graph Modules Renamed)

• Breaking change! - Rename Chart Components.
• Update README.md.
• Tidy using PHPStorm.

Version 2.1.9 (Heat Map Speed)

• Fixing Heat Chart speed issue.

Version 2.1.8 (Breaking down into components)

• HeatRing Component.
• Add missing scatter plot.
• Further breaking down of components.
• Standard series components.
• Fix Grouped Bar Chart CSS.
• Further tweak of Heat chart colour scales.

Version 2.1.7 (Component break down)

• Component break down.

Version 2.1.6 (Component break down)

• Component break down.

Version 2.1.5 (Heat thresholds)

• Fix threshold colour scale on Circular and Tabular Heat charts.

Version 2.1.4 (Heat thresholds)

• Fix threshold colour scale on Circular and Tabular Heat charts.

Version 2.1.3

• Updating README (towards #44).
• Example tidy. Added random_data.js.
• Update uk_elections.json test data.
• Moving Plant Family Tree test data.
• Updated all example files.
• Adding Netflix ISP Speed Index data.
• CSS HTML Table width fixed.

Version 2.1.2

• Added Exchange Rate test data.
• Fix Multi Series Line Chart.
• Changing website to d3-ez.net.