added kwargs documentation
working on some kwargs docs
fix for new colorbar
can provide date on command line.
Removed body of scatter_classic, leaving exception-raising stub.
version 0.9.4
Fixed a bug introduced when moving nonsingular to transforms.py
Removed part of pcolor_classic that I missed last time
Remove pcolor_classic
Fixed 1588908 (problem with set_ylim(1,1)); factored out 'nonsingular'
