replace Prop object with core.getprop function
major overhaul of the logging system
update debug, fix traceback explorer bug
support color + unicode output
bugfix
remove draft c compiler (will be back!)
move compiled evaluable into separate class
fix reference to numeric.log
introduce reference elems, remove persistent cache
remove duplicate/unnecessary items
add comment header
add missing cache module
cylinderflow: remove stream reconstruction
change user color to yellow
add integer round method
add CmpData class
add laplace unittest target
change float error display
add plots options
add unittest target