Customized output and correct error in context-{sub,ap}position
Customized output and correct error in context-{sub,ap}position

Now contexts can be printed via print-context, which takes a context and
two sorting functions for objects and attributes respectively.

Signed-off-by: Daniel Borchmann <25857343a15bf1edafebc2912e82ecf775c585c1@mailbox.tu-dresden.de>

Lobage/conexp-clj,exot/conexp-clj,exot/conexp-clj,fcatools/conexp-clj,Lobage/conexp-clj,Lobage/conexp-clj,immo/clojure-conexp,fcatools/conexp-clj,exot/conexp-clj,exot/conexp-clj,fcatools/conexp-clj,fcatools/conexp-clj,exot/conexp-clj,Lobage/conexp-clj,fcatools/conexp-clj,immo/clojure-conexp