GXemul Code2

20071231 The ConsoleUI shows a "GXemul> " prompt, but does not support
input yet.
20080101 Continuing on the ConsoleUI; it now reads input from stdin and
sends it to a CommandInterpreter. Simple handling of CTRL-C,
CTRL-Z, and treating DEL as backspace.
Adding a Command base class, and adding the first command,
which is "quit" :-).
Simplifying the syntax of the UNITTEST macro.

Moving printing of the startup "banner" to a UI member function. (No banner is currently displayed for the GTKMM UI though, because it would feel too heavy-weight.)

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Default to NO unit tests for release builds.

20071231 Moving src/gui to src/ui/gtkmm, and creating src/ui/console.
(The idea is that all UIs, not only graphical ones, will share
a common base class (the UI class), making it reasonably easy
to add other GUIs later on if necessary.)

Removing unnecessary TODO.

Beginning on the CommandInterpreter class.

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20071227 Adding StateVariable and StateVariableValue classes; writing
unit tests, etc.
The ActionStack now uses lists instead of vectors, for the
undo and redo stack. (For O(1) undo/redo operations.)
Continuing on the Component infrastructure: parent/child
relationships, state variables, and serialization.
Adding a simple Checksum class; useful as a helper for unit
tests.
20071228 Implementing a CreateComponent function, which when given a
"component class name" creates a Component.
Adding a simple EscapedString helper class, for generating and
decoding C-style escaped strings.
Simple deserialization works. :)