Merge branch 'master' of github.com:qminer/qminer
persistent objects cleaning up
stream aggregates expose getInt, getFlt, getTm
fixed eval(breakpoint) so it can print exception messages
JS linalg GC stability fix
Merge branch 'master' of github.com:qminer/qminer
Added release-debug targets to other makefiles.
Merge pull request #38 from rupnikj/master

stability improved, js stream aggregates
Merge pull request #39 from lrei/master

Added release-debug targets to other makefiles.
Merge remote-tracking branch 'upstream/master'