mapi-header-php 2.0

• Correct logic bug in TaskRequest::isTaskRequestUpdated() that could cause soft-deleted task requests to be incorrectly processed when an associated task exists in the active folder
• Enhanced recurrence pattern validation with better error handling for invalid nday values
• More robust address book entry comparison in compareABEntryIDs()
• Code quality improvements and stricter type safety throughout
• Performance optimizations through optimized function usage (str*)