WIP: start splitting project: add "dragonlib"
WIP: move dump/load stuff into editor
Bugfix in inject BASIC program:

* Update variables/array and free space addresses, too
* move hardcoded addresses into lib
* Add memory read/write word middlewares
TODO: Don't replace reversed words into tokens in comments and strings.
add "renumber listing" tool in editor
add another renum unittest +code cleanup
Bugfix: support ON...GOTO and ON...GOSUB in renumbering
better log output while load/inject BASIC program
Better debug output
Add TODO unittests
code formating
add a BASIC parser with unittests
rename format functions
convert line number to int
Use the new BASIC parser - TODO: Code cleanup!
do the ' <-> :' and ELSE <-> :ELSE replacement internaly
WIP: Support CoCo in editor
+    0xff80: "SGN"
CoCo used a other default program start address than dragon
update CoCo tokens with Extended Color BASIC 1.1