added .ilk files to the koch clean list, these are incremental link information files for MSVC
Merge pull request #1185 from barcharcraz/kochilk

added .ilk files to the koch clean list
fix some typos
Merge pull request #1186 from ppelleti/typos

fix some typos
Fixes #1197.
Merge https://github.com/Araq/Nimrod into quotedidentescape