* [COWSPEAK,FIX] Syntax error (regression).
* [COWSPEAK,FIX] Missing module import (due to recent extension involving defaults for options).
* [RDF_CLEAN,FIX] Updated to conform to the new rdf_retractall_datatype/4 (whcih no longer has a value parameter).
* [RDF_STATISTICS,NEW] Added count_individuals/3 again. It is now possible to count individuals reliably using the new rdfs_individual/4.
* [RDFS_READ,NEW] Added rdfs/4 again. It is now possible to count individuals reliably using the new rdfs_subproperty/4.
Rewrote RDF(S) materialization using various submodules.
This will allow non-materilization reasoning (e.g. distributed reasoning) using most of the same code.

* [COWSPEAK,FIX] Small fixes to documentation.
* [DCG_WRAP,SC] Taking out a debug option.
* [RDF_AXIOM,RDF_BNODE_MAP,RDF_MAT,RDF_ENT,RDFS_ENT,NEW] New modules segmenting RDF(S) materialization.
* [RDF_LIT,FIX] Forgot to add a public predicate to the module export list.
* [RDFS_BUILD,NEW] Added rdfs_assert_comment/4.
* [RDFS_READ,FIX] In rdfs_range_axiom/3 atom segmenting was faulty.