entries are now sorted in descending order
refactors punchcard graph
adds color and a second dimension to the punchcard
puts punchcard into a separate file and a class
adds a simple scale. Chrome seems to save timestamps with a little more precision than microseconds (annoying)
changes time scale to date
adds process.js, which moves to a new data format that should be much easier to work with
this is actually a somewhat meaningful graph now