Elo-indexserver-client

PR:

* https://github.com/treskon/elo-indexserver-client/pull/16
* add a convenient method to automatically convert the obj_keys from a sord to a dict and cast them to their type
according to the config in the docmask.

PR:

* https://github.com/treskon/elo-indexserver-client/pull/12
* Read map fields

Details:

* Added read_map_fields method to EloService to read map fields from a sord
* Can load all map fields or only specific ones
* Can load strings or entire byte arrays
* Can load a specific map domain

PR:

* https://github.com/treskon/elo-indexserver-client/pull/14
* update method upload_file and update_file.
* https://github.com/treskon/elo-indexserver-client/pull/15
* Add a method to download a file by its sord_id

Details:
upload_file and update_file are now also setting the x_date_iso.
Automatically:

* the modified date of the file
Manually:
* can be set by the caller of the function.

i_date_iso = Time of the archiving - technical date on which the file was uploaded
x_date_iso = Primary document date (optional) - usecase dependent date, e.g. invoice date, contract date, etc.

PR:

* https://github.com/treskon/elo-indexserver-client/pull/13

file_util: guess mimetype based on the obj_key parameter instead of the filename

PR:

* https://github.com/treskon/elo-indexserver-client/pull/11

overwrite_mask_fields add optional param metadata_force 11

Details:

* Add metadata_force to method overwrite_mask_fields. This allows to set metadata by ID that is otherwise not assignable
to a mask. Useful in certain cases like the special filename mask objkeys

PR:

* https://github.com/treskon/elo-indexserver-client/pull/10

Details:

* add optional parameter filename_objkey, filename_objkey_id for upload_file and update_file. Which sets the filename in
the options tab (internally done via a predefined obj_key entry)