Adding a couple of helpers. better formatting.
Adding schema locations for XML output.
Adding better typechecks for nilvalues.
Adding coverage description renderer interface.
Adding coverage description renderer. Extracted commons with coverage renderer in a base renderer class. Improved metadata for capabilities.
Adding/improving request handlers for WCS 1.0/1.1
Fixing bugs in service component.
Adding possibility to specify schema locations for namespaces.
Fixing XML decoders when the response is a string and not a list of items. Improving 'typelist' type.