add comments to TODOs
comment pxDll.h
expand the README
refer to samples in the unit test
more documentation
documentation for pxLoom
documentation for pxLoom
documentation for pxLoom
doc for testpxLoom and more tour guide
destroy semaphores in loom unit test
md doc
rename cell link
add pxDllCount(); check for unfinished cells in loom unit test
clean up semaphore destruction; verify loom memory management is clean
some TODO notes