Only show vertical line if not bar chart
Add y-axis ticks & labels

Needs performance improvements
Pre compile templates & swap when needed
Convert chartOffset from function to static variable
Change vertical line code & watch width / height changes
Additional watchers & re-add y-axis
Little refactor & y-axis tweak
Individual chart templates
Create reusable object for setting chartOffset
Y-axis ticks update when needed & fix y-axis infinity bug
Update y-axis ticks when high / low values changed
Update chart width when y-axis updates
Semicolon
Prevent long decimal floats in y-axis
Merge pull request #10 from JakeSidSmith/performance-improvements

Performance improvements