nabl-filter and nabl-disambiguate create corresponding tasks.
Add variant of new-task that fixes dependencies to task identifiers.
Revert "Check and abort if number of task combinations exceeds 10!"

This reverts commit a52ab1133c485bc6b993801dc430a0ef7414a25f.

This check is too simple, choice tasks with more than 10 choices trigger this check, a more elaborate check is needed to prevent lockups.
Remove broken hiding task.
Combine results of stored transitive import.
added long version for get-or-create-property-tasks
Also use non-URI versions to perform a relation match, in case only one of two arguments can be converted to a URI.
add uri* to filter and disambiguation tasks
call new creation strategies for filters and disambiguations
support for fixed scope annotations
fallback: if Def(..) has no origin-location, then use Def(..) as object identifier instead of origin-location
Add term rewrite hook to collection
Support lists in relation match
Cleanup
Fix on the add-sep strategy
Merge branch 'master' of https://github.com/metaborg/runtime-libraries.git