fixed a grave bug where we were relying on boost::numeric_cast<(u)char> and streams to push the correct data to an ascii PCD file, but the behavior for chars is "passthrough" instead of "convert to string". The solution here is to specialize `copyValueString`.
fixed a grave bug where we were relying on boost::numeric_cast<(u)char> and streams to push the correct data to an ascii PCD file, but the behavior for chars is "passthrough" instead of "convert to string". The solution here is to specialize `copyValueString`.


git-svn-id: e7ea667a1d39a4453c4efcc4ba7bca3d620c3f19@1958 a9d63959-f2ad-4865-b262-bf0e56cfafb6

patmarion/PCL,patmarion/PCL,otherlab/pcl,daviddoria/PCLMirror,otherlab/pcl,otherlab/pcl,daviddoria/PCLMirror,patmarion/PCL,patmarion/PCL,daviddoria/PCLMirror,otherlab/pcl,patmarion/PCL,otherlab/pcl,daviddoria/PCLMirror,daviddoria/PCLMirror