convert numpy arrays to lists in stripUnits
Expression parser tolerates a + in front of an exponent
move after the unitstrip
Add an __all__ to openmm.py so that XXX_swigregister functions don't get imported
Merge pull request #40 from rmcgibbo/swigregister

Add an __all__ to openmm.py so that XXX_swigregister functions don't get imported into python namespace
one more change to the numpy code. last commit was bad
Merge pull request #39 from rmcgibbo/numpy-compatibility

Improve numpy compatability
Merge branch 'master' of https://github.com/SimTk/openmm
Merge pull request #38 from peastman/master

Fixed a bug in expression parser
Fixed bugs in handling of random numbers in CustomIntegrator (see bug 1883).
Further cleanup to handling of random numbers by CustomIntegrator
More bug fixes to handling of random numbers by CustomIntegrator
Merge pull request #44 from peastman/gle

Fixed bugs in handling of random numbers in CustomIntegrator (see bug 18...
Only enable shuffle optimization on CUDA 5.5 or later
Merge pull request #46 from peastman/master

Workaround for CUDA bug: only enable shuffle optimization on CUDA 5.5 or later