Capability to use arbitrary Runge-Kutta methods in SharpClaw.  Untested.
Arbitrary Runge-Kutta methods working in SharpClaw.
Spatial splitting with embedded RK methods.
switch mask logic

1 is use b method, 0 is use b_hat
Add Shu-Osher shock-sine nteraction problem.
Convert NaNs to zeros.
Fix bug in ascii.py.
Eliminate repetitive property code by overriding __getattr__.
Doc updates.
Merge pull request #271 from ketch/geometry

Doc updates.
ENH: riemann_compare module

New module for comparing various implementations of Riemann solvers.
added riemann shootout framework
iso_c variant
fixes #248 (riemann_compare branch)
f2py-based compile flags in Makefile
added 2D shallow water test
don't propagate failed import
revert whitespace, 1D/2D/3D claw_packge init fixes
More informative error messages.
Update README and docs.