genestack-python-client-v0.31.0

• Changed supported file types of upload dataset in SampleLinker
• Increased FilesUtil.MAX_FILE_SEARCH_LIMIT constant
• Added jsonschema dependency
• Changed login and login_by_token methods to handle new error codes in authentication response.
• Renamed BioMetaKeys.EXPRESSION_LEVEL_UNIT metainfo key, the old key will be supported
  for at least 1 month