mavenized
fixed project structure
Implemented interfaces (in fact abstract classes) for unary, binary and ternary knots. Adapted factory and builder. Everything tested in builder integration test
started parser, changed int to double
ugly as can be - but algorythm seems to work. streamparser buggy with substraction/neg numbers.
fixed neg number bug
refactored parser: much better readable
Simplified algo, removed token classes
topostfix parser works with implemented functionality set. Added test
Merge pull request #13 from kosique/current

Current