Convert unicode strings to utf-8 encoded strings.
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
initial work, need better error handling
Bumped version to 0.6.4
fixes typo in layergroups doc
Performance tuning of get_resource methods, add support for passing resource name to DataStore/CoverageStore get_resources to avoid costly resource iterations
Revert accidental change in get_xml
Modify Catalog.get_store() to more efficiently find store of a given name.  A GeoServer workspace can't have two stores of the same name
Merge pull request #38 from cspanring/patch-1

fixes typo in layergroups doc
Merge pull request #39 from mwengren/tune_get_resources

Improve the way Catalog.get_resource() and Store.get_resources() return single resource when workspace and store are known
Merge pull request #40 from mwengren/tune_get_store

Modify Catalog.get_store() to more efficiently find store of a given name
Merge pull request #41 from ischneider/smarter-layer-resource

initial work, need better error handling