fixes #735
fixes #844
Merge branch 'devel' of https://github.com/Araq/Nimrod into devel
bootstraps again
cleaned up command expressions
Adds convenience mapIt templates.
Merge pull request #846 from gradha/pr_adds_mapit_templates

Adds convenience mapIt templates to sequtils.
Mentions {.exportc.} limits. Refs #826.
Adds utimes() importc to posix module.
Merge pull request #862 from gradha/pr_mentions_exportc_limits

Mentions {.exportc.} limits. Refs #826.
Merge pull request #864 from gradha/pr_adds_posix_utimes

Adds utimes() importc to posix module.