2. Fix character-mode B-register handling in Processor and slightly optimize some stream syllables.
2. Fix I/O-finished interrupt signaling (or rather, the lack thereof) in IOUnit.
3. Change system option settings in ColdLoader based on recent MCP tests.
4. Commit minor improvements to SyllableDebugger.
5. Commit version of KERNEL object code for use with SyllableDebugger.
6. Commit Mark XVI DCMCP transcription as of 2013-03-17.
2. Commit test cases used to debug ALGOLXEM under new "tests" directory.
3. Commit new CODEDUMP55.alg_m utility to prepare a semi-formatted dump of a B5500 code file.
4. Commit further typographical corrections to B5500 Algol compiler source uncovered during conversion and debugging of ALGOLXEM.