Beta v7 for initial release
Accommodates different filenames for some manuals. Eg. the training manual may be known as "BMS-Training-Manual.pdf" or "bms-training.pdf"
Added search capability of brevity code document to be able to search for brevity used in comms
Hotfix 16Jan2024: Fixed a problem with the original v7 (previously created index not read properly)
=>Added v7_1 versions