   Some basic initialization and magics for the notebook. More reasonable implementation of invocation magics
   Some basic initialization and magics for the notebook. More reasonable
implementation of invocation magics

msneddon/narrative,scanon/narrative,rsutormin/narrative,jmchandonia/narrative,mlhenderson/narrative,briehl/narrative,jmchandonia/narrative,pranjan77/narrative,nlharris/narrative,msneddon/narrative,nlharris/narrative,jmchandonia/narrative,rsutormin/narrative,jmchandonia/narrative,psnovichkov/narrative,nlharris/narrative,pranjan77/narrative,aekazakov/narrative,kbase/narrative,rsutormin/narrative,mlhenderson/narrative,jmchandonia/narrative,msneddon/narrative,kbase/narrative,psnovichkov/narrative,pranjan77/narrative,msneddon/narrative,psnovichkov/narrative,aekazakov/narrative,kbase/narrative,mlhenderson/narrative,aekazakov/narrative,msneddon/narrative,psnovichkov/narrative,scanon/narrative,mlhenderson/narrative,nlharris/narrative,psnovichkov/narrative,rsutormin/narrative,pranjan77/narrative,aekazakov/narrative,scanon/narrative,psnovichkov/narrative,scanon/narrative,briehl/narrative,briehl/narrative,psnovichkov/narrative,briehl/narrative,kbase/narrative,nlharris/narrative,briehl/narrative,rsutormin/narrative,mlhenderson/narrative,scanon/narrative,jmchandonia/narrative,pranjan77/narrative,kbase/narrative,jmchandonia/narrative,msneddon/narrative,pranjan77/narrative,briehl/narrative,briehl/narrative,kbase/narrative,rsutormin/narrative,aekazakov/narrative,scanon/narrative,pranjan77/narrative,nlharris/narrative,aekazakov/narrative,mlhenderson/narrative,msneddon/narrative,nlharris/narrative