Make package pydoc-able even when NIDAQmx library is not found..
Make package pydoc-able even when NIDAQmx library is not found..

git-svn-id: 2bf5607321a7b9efc1ae3817871b0819d8c9bd49@16 376947f0-c9f5-11de-8861-c343c794f7e0

imrehg/pylibnidaqmx-clone,imrehg/pylibnidaqmx-clone