Removed obsolete ext_conf and ext_tables
Updated dependencies in EMCONF
Don't write to file if content is exactly false
Added attributes --importOnly (-i) and --exportOnly (-e)
Fix: Scope was not saved within record
Skip record if scope could not be detected due to missing datastructure
Changed ds to record in argument description
Input the user to decide what to do on conflicts
Refactored tvfmapping to tvfto
Rewrote insertRecord logic to insert records without TCE_MAIN (restriction problems with current BE_USER
Removed misleading debug message on before writing file