Initial commit
[Modules] created "useless" module
added macro to useless module
[Syntax in functions] added "functions" module
added functions:second/1
added functions:same/2)
added functions:valid_date/1)
added functions with guards in "functions" module
added what_the_if module
added what_the_if:oh_god/1
added what_the_if:help_me/1
added cases module
added recursive module
refactored recursive:fac/1
added recursive:len/1
added recursive:tail_fac/1