Hierarchical object keys

Where applicable, the object keys in the tables are structured in a hierarchical manner. This has the following benefits:

The key itself, with the object type implied by the table containing the data, is sufficient to completely identify the object without reference to other tables to obtain the contained-in relationships. This simplifies reporting.
A sorted list of table rows groups related objects together. For example, the Controller Channel Interface (CCI) table would contain the following object keys:
```
3990 #12/SC0/A
3990 #12/SC0/B
3990 #12/SC1/A
3990 #12/SC1/B
```

A database query could collect items using keys containing wild cards. For example, from the Controller Channel Interface (CCI) table:

3990 #12/*           All channel interfaces on 3990 #12
3990 #12/SC0/*       All channel interfaces on segment SC0 of
                     3990 #12