=== Incomplete awlsim TODO list ===

S7 compatibility:
- Add support for STRUCTs
- Add support for STRINGs
- Add support for symbolic access to user defined data type (UDT) elements
- Implement parsing of attributes
- Implement POINTER and DB-pointer immediates
- Implement ANY pointer immediate

GUI:
- Add editor 'find'
- Save window status (open MDI windows, positions, etc)