FIX: renamed AsciiString to Uri. Moved all URL validation to this class.
FIX: changed package
FIX: moved to new package, added Cache-Control header
ADD: Configuration replaces PropertiesManager and handles all properties, including methods in Server that handled default values and behavior
ADD: BidiMap is a Bi-directional associative array, handles hash to page and url to hash conversion
ADD: KeyValueStore replaces Database. File reading and writing moved to Restore and Backup
ADD: SmartTagParser replaces PageLetFileReader
ADD: Uri test