added function to find all synonyms for a list of stock_ids, synonyms, or uniquenames.
added function to find all synonyms for a list of stock_ids, synonyms, or uniquenames.

solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn