add `parse_all` keyword argument to `get_extra_config` which will cause the method to parse each of the given section's fields.
add `parse_all` keyword argument to `get_extra_config` which will cause
the method to parse each of the given section's fields.

syndicate-storage/syndicate-core,iychoi/syndicate-core,syndicate-storage/syndicate-core,iychoi/syndicate-core,syndicate-storage/syndicate-core,iychoi/syndicate-core,iychoi/syndicate-core,syndicate-storage/syndicate-core