Fixed reference to Dates.format(), which I've removed
More changes

Mostly changing scale functions to not have i parameter, which appears to
me to be unused.  If I'm wrong, please forgive me :)

The unit tests now compile, with these results:

assertations: 1755
successes: 1718
errors: 0
failures: 37
warnings: 0
execution time: 0.085

The failures are from SVG TestLine and TestArea (35 Failures) and
2 failures in TestStrings