added trigger_error to create directory function calls
Merge pull request #28 from jctoledo/bio2rdfapi

added trigger_error to create directory function calls
added a way to get the list of files set in parameters
set the default time zone for the script to remove date() error
Update application.php
method for setting time zone
Merge branch 'bio2rdfapi' of github.com:dklassen/php-lib into bio2rdfapi
fix issue where seperator must be comma on command line
Merge pull request #30 from dklassen/bio2rdfapi

Bio2rdfapi
added two helper functions to simplify parsers
fixed double appending of gz
Merge pull request #31 from dklassen/bio2rdfapi

Bio2rdfapi - file downloading
added hasRDF and setWriteFilePath
added checkpointing
Merge remote-tracking branch 'origin/bio2rdfapi' into bio2rdfapi

Conflicts:
	bio2rdfapi.php
removed exact label check which fails for single words
get/set for using provider uris for specified schemes; including default
added flag to load nquads into virtuoso
New DownloadSingle function, with error checking and documentation
minor fix