code present but unused to purify strings sent to irods as metadata. this is now taken care of in parseHeaders and will be removed soon

separate case of skipping zero len file from removing (unlinking) preexisting iRODS object for replace_existing flag

enable setting the exp id via and external number at the interface or RegisterNewExperiment() for testing

change to a streaming transfer of data to from landing zone to irods assuming no dups, but handling them if they happen. hope to avoid blowing memory cache in the uploader

change confirmed_put() to use a timestamped temp file for initial upload rather than just blah.IMA_tmp