Update V2.9.0: change multiprocessing to multithreading, performance improved, less archivecalls per download

Update to V2.8.0 (this time complete): FLIR data can now be downloaded, port accepts now strings and numbers

update to 2.7.0 option for upload and download implement to switch between test and productive archive

update to 2.6.1: bugfix in downloadversionIRdata, verbose level is now passed throw the single slow download way also

add ToDo list, add file to create HDF5 file with temperature from archive, change upload (small bug fixes), activate delay in upload

update to V2.5.3, add the version number, bug fixes and imporved exception handling for downloadversionIRdata

# Conflicts:
#   plot_IR_data.py

fixes the bugs in AEF50 download for OP1.2b

See merge request holn/IR_data_access!5

Holgers

See merge request holn/IR_data_access!4

Holgers

See merge request holn/IR_data_access!3

bugfix in downoad, update upload for OP1.2b

See merge request holn/IR_data_access!2

# Conflicts:
#   IR_image_tools.py

bug fixes for AEF41 in the bad Pixel correction, bug fixes because of changes in json files downloaded from the Archive

improved bad pixel correction, added reading of bad_pixel file; added output control (verbose level); apply_calib_on_raw now checks for inf in gain and offset;small bugfixes