Do not allow to store the same gene multiple times: - by not trying to make gene clusters out of genes on different strands. - by checking that the gene to be stored has not been stored before just before the store method call.
Do not allow to store the same gene multiple times:
- by not trying to make gene clusters out of genes on different strands.
- by checking that the gene to be stored has not been stored before just before the store method call.

Ensembl/ensembl-analysis,james-monkeyshines/ensembl-analysis,james-monkeyshines/ensembl-analysis,Ensembl/ensembl-analysis,kiwiroy/ensembl-analysis,kiwiroy/ensembl-analysis,Ensembl/ensembl-analysis,james-monkeyshines/ensembl-analysis