Cleanup documentation of Exception,File and Parser

Add documentation, change variable namens and use functions instead of
magic calls (performance)
More cleanups

Documentation change include to require, remove magic property access
and use getter functions
Fix regression

Fix regression
Introduce a SassLoader as Autoloader

Create a basic autoloader to load the classes. There is still a
workaround, because the classes are not PSR compatible, if this request
is merged I start to move classes to get a clean and performant
Sassparser
Add tint() and shade() functions
Fix indent tab --> 2 spaces
@supports should behave like @media when used inside a rule
Compact rendederer should not output placeholders
Update Compass.php

Using load_paths in ResolvePath
Merge pull request #165 from SourceR85/patch-2

Update Compass.php
Merge pull request #161 from gabrielfin/fix-compact-renderer-placeholders

Compact renderer should not output placeholders
Merge pull request #159 from gabrielfin/fix-nested-@supports

@supports should behave like @media when used inside a rule
Merge pull request #158 from niaccurshi/master

Add tint() and shade() functions
Merge pull request #157 from lochmueller/cleanup

Cleanup & Autoloader
Update README.md
Added PHP 5.6 and HHVM to travis.yml
Merge pull request #166 from Nyholm/patch-1

Added PHP 5.6 and HHVM to travis.yml
Merge pull request #168 from scrothers/master

Update README.md