Added `$` for seq
explicit firstElement for `$` in collections
removed `$` for openarray, was commented out
use `.f` instead of `.16e` for floats

It doesn't write a trailing zero, but it's better than floats being all
over your screen.
add a trailing zero to $float
Merge branch 'devel' of github.com:Araq/Nimrod into seq_toString
added `$` for arrays
Add renderRstToJson in docutils
Modify renderRstToJson to use the json library
Change the expected path in tfailedassert.

This will cause this test to fail on Linux. The behaviour on Windows is
however correct, the filename returned by instantiationInfo is the
projPath defined as being "relative to the project's root".
make tests green again
Merge branch 'devel' of github.com:Araq/Nimrod into devel
Disable async macro code output. Added some WSA error codes to winlean.
preparations for easier debugging
Merge pull request #1069 from flaviut/devel

Add renderRstToJson in docutils
Merge branch 'devel' of https://github.com/Araq/Nimrod into devel
merged better html links #850
Inline docs for sequence appending
Code docs for `contains`, `in`, `is`, and `of`
Code examples for string concatination