added functions to help storing hashes in TEXT fields of database tables
added functions to help storing hashes in TEXT fields of database tables

at7/ensembl,muffato/ensembl,Ensembl/ensembl,mjg17/ensembl,willmclaren/ensembl,Ensembl/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl,muffato/ensembl,mjg17/ensembl,muffato/ensembl,at7/ensembl,danstaines/ensembl,at7/ensembl,james-monkeyshines/ensembl,mjg17/ensembl,Ensembl/ensembl,danstaines/ensembl,james-monkeyshines/ensembl,at7/ensembl,willmclaren/ensembl,james-monkeyshines/ensembl,muffato/ensembl,danstaines/ensembl,mjg17/ensembl