Add -lm and -lrt flags to CMakeLists.txt
Fix: C/P fails in type id variable description comments
Merge pull request #378 from xVin/Add-flags-to-CMakeLists.txt-for-tests

Add -lm and -lrt flags to CMakeLists.txt
Remove: ws_string_multicat()
Remove ws_array type
Merge pull request #379 from matthiasbeyer/remove-ws_array

Remove ws_array type
Add function callback type & members
Add prototype + stub for ws_object_call_cmd()
Add implementation for ws_object_call_cmd()