CLI: Report character position in error

[am11]

Cc: sass/node-sass#206 (comment)

Unlike JsHint, TsLint, JSCS, CoffeeScript and LESS, the current error message from SASS compiler doesn't contain character position (only the line number).

C:\Users\Adeel\Documents\Visual Studio 2013\WebSites\WebSite1\1\2\3\cd.scss:141: error: no mixin named filter-gradient
Backtrace:
C:\Users\Adeel\Documents\Visual Studio 2013\WebSites\WebSite1\1\2\3\cd.scss:141

Please make it so it outputs:

C:\Users\Adeel\Documents\Visual Studio 2013\WebSites\WebSite1\1\2\3\cd.scss:141:35: error: no mixin named filter-gradient
Backtrace:
C:\Users\Adeel\Documents\Visual Studio 2013\WebSites\WebSite1\1\2\3\cd.scss:141:35

(where 35 is the character position on line 141)

Thanks.

[mgreter]

The new API exposes all available information now!
This information is also available in json (whish by node sass)!
Some messages still add a Backtrace which is no longer needed!
There is a wiki page with some API Documentation.