Convert unicode strings to utf-8 encoded strings.
Update README
Update docs link
Add support for 'advertised' property to layer and featuretype
Added Workspace_Style class, initial support for extending Catalog and Layer classes to handle parsing REST API representations and converting to Workspace_Style subclass
Added a default True value for 'advertised' property since the property is not always present in REST API representations
Revert back without default for 'advertised'; will not work that way.   Intsead check for None value for 'advertised' property
Merge pull request #35 from mwengren/featuretype_advertised

Add support for 'advertised' property of FeatureType, Coverage, and Layer classes.
Fixed typo in catalog.py
Merge pull request #37 from garnertb/catalog_typo

Fixed typo in catalog.py
Merge pull request #34 from garnertb/unicode

Convert unicode strings to utf-8 encoded strings.
Merge pull request #36 from mwengren/workspace_style_support

Add a Workspace_Style class and functionality to parse workspace-style URL from REST API Layer
Bumped version to 0.6.4