initial commit of clinical trials parser
added check to xpath variables to see if they are nill
added check that elements are present
spelling errors
variable naming issue
Merge remote-tracking branch 'upstream/master' into cto
added subfolders creation
updated to read directory instead of needing download.
fixed reading from directory to include put files into bins
added proper sub directory creation
forgot to pass parameter
added option to download,crawl, or parse locally
added escaping to strings using safeliteral
Merge remote branch 'origin/master' into cto
updated changes to clinical trials including better escape of literals
added RDFWriteBufferToFile() call at the end of each file processing. fixed memory error
Merge pull request #169 from dklassen/ctd

fix to CTD to handle out of memory error while parsing files
Merge pull request #170 from dklassen/cto

Cto
added resource namespace for generated identifiers, added labels & types, structured criteria, other cleanups
Merge pull request #171 from micheldumontier/clinicaltrials

updated clinicaltrials parser