Merge pull request #218 from micheldumontier/drugbank

Drugbank: fixed DDI label bug
added 3 columns to gene2accession
added updates to gene2refseq parser
Merge pull request #221 from jctoledo/master

Updated NCBI Gene Parser
first commit of wormbase parser for wormase version WS235
minor changes in 1.-files input and output 2.-gene functional descriptions
Wormbase version WS235- changes suggested in github #226 discussion made it
Merge pull request #226 from JuanCifuentes/wormbase

first commit of wormbase parser for wormase version WS235
Fix the resulted files names and added time measuring code.
Merge pull request #227 from gabivulcu/master

Fixed the resulted files naming, Add time measuring code.
Fixup download URL for CTD. Old URL results in 403 permanent redirect, which is silently ignored
Merge pull request #229 from amarillion/amarillion

Fixup download URL for CTD. Old URL results in 403 permanent redirect, w...
Use DownloadSingle in ctd
Use DownloadSingle for affymetrix
Use DownloadSingle in gene
Use DownloadSingle in hgnc
Use DownloadSingle in NDC - also fix undefined varable use
Use DownloadSingle in sgd
Use DownloadSingle in mgi
Use DownloadSingle for PharmGkb