added storage module logging; new storage.t; adapted vialId validation to recognise 10-digit ids in addition to leading 2 alphabetical chars; bugfix to storage edit function - requied to capture vialId as well as request_id for validation failure return to edit(); added new fields to DNA extraction worksheet

adapted xNA extraction worksheets to split xFU into xF & xU samples and adjust for number of blocks for xF, xU & xBL samples; xNA extration worksheets append empty rows to max 12; patched view_cron_log() regex to include hyphenated script names; DB::RequestExternalRef status field required larger varchar value

completed molecular pcr worksheet functions