more things case consistent
fixes #612
Fixes macros.len crashing on nodes which lack the sons field.
newProc can now be used to construct iterator defs.
moved tsets test to collections/
edited compiler's config
the tester now produces a diff in the JSON
Merge branch 'devel' of https://github.com/Araq/Nimrod into devel
koch install should work now as documented
nil->discard
fixes #892
fixes #833
fixes #712
bugfix: 'system' on windows is sane
fixes #914
fixes #811
fixes #811
fixes #584
actors.nim compiles again
made 'koch web' work when current dir has a space in it