When svg element is too big, scroll container
Need to set overflow to auto so scrollbar appears
Few fixes and autoscroll to right when width of svg is changed
Added Zen mode link which removes all chrome
Refined styles, zen mode now takes up the full screen
Added tag support

Internally, will be a git tag if name is surrounded with []
Added tag command
Updated css so git tags are blue
Adding tag command reference
Can now checkout tags properly
Zen mode and scrolling now work nicely together