clean up some leaks in one of the tests
Fixes #285
add explicit import of <algorithm> to resolve build problem on VS2013
remove some defs that were producing useless results anyway
Fixes #277
fix a memory leak with operator= for ExplicitBitVect
thanks to Alex S for pointing it out
proper quoting in comment for doxygen
support partial fragmentation on bonds;
Fixes #288
do not include fragmentOnSomeBonds() in the SWIG wrappers
fix a couple typos
Merge remote-tracking branch 'origin/master' into python3-support