+ dataflow analyzer finished
+ start of CSE units
+ aoptbase which contains a base object for all optimizer objects
* some constants and type definitions moved around to avoid circular
dependencies
* moved some methods from base objects to specialized objects because
they're not used anywhere else
* made the assembler optimizer almost completely OOP
* some code style clean up and extra comments
* moved from the new/aopt to the /new and /new/i386 dirs