Update doc and add markdown file for tests
Remove debug prints
Macro for printing macro tests.
Delete debug mode in file-tree.
Refactor the print of the solution.
[Racket][Syntax] and2
[Racket][Syntax] when2 unless2
[Racket][Syntax] and*
[Racket][Syntax] and*, add documentation
[Racket][Syntax] or*
Rename when2 and unless2 to when* and unless*