ctrdata v1.26.0

Enhancement

• Refactored downloading data and documents to run, throttle and retry more robustly
• Updated user info, clarify history is updated only if at least one trial is loaded

Bug fix

• For CTIS, dbFindIdsUniqueTrials() returns now only the trial record with the highest resubmission number
• For EUCTR, correct edge case downloading third-country protocol-related information
• Fixed links between help pages and vignettes
• Code cleanup