.addToCache             Add values to cache
.checkInCache           Check whether value in cache exists
.readFromCache          Read values from cache
convert.alias           Convert Symbols to Aliases and Vice Versa.
convert.bm              Retrieve Additional Annotations from Biomart
convertId2              Convert Gene Symbols to Ensembl Gene IDs or
                        vice versa
get.bm                  Make a Query to Biomart.
likely_symbol           Retrieve Symbol Aliases and Previous symbols to
                        determine a likely current symbol
todisp2                 Convenience Function to Convert Ensembl Gene
                        IDs to Gene Symbols
unify_gene_ids          Unify gene IDs from BioMart and AnnotationDbi
                        lookups
