Support uri syntax i.e., <namespace>:<search term>
Use dduri_t to parse and combine the search paramaters into a uri.
Print the environmental audio class name associated with each material.
Print the iwad/addon origin of each material.
Neater/more-readable formatted output using columns.
If a namespace is not specified but a search term is; do not group the results into separate blocks per namespace, instead, print the namespace name along with the texture name (i.e., print a uri instead).
into separate blocks per namespace, instead, print the namespace name along with
the texture name (i.e., print a uri instead).