* Updated tests, banned type decls and toplevel letvals
* Properly ban nested contracts
* Fix including by path
* Fix error message test
* Fix prettpr attr display. Make dialyzer happy
* More tests
* Fixed type printing
* Updated docs
* Added standard List library and list comprehensions
Added List library.
Flatmaps WIP
Fixed dependency in flat_map
fcode generation
Updated tests to use custom list lib
Added comprehension test
Added stdlib
sanity
Test
* Extended stdlib for lists. Added error message for redefinition of stdlibx
* Fixed type template
* Improved stdlib
* More functions
* Fixed cyclic includes
* Refixed imports and added few tests
* Added fail test
* Undelete removed type spec
* Remove typo
* Fix iter function
* Fixed typo
* Added if guards and let statements in list comp
* Added more fail tests
* Option stliv
* 2 and 3 tuple stdlib
* Updated stdlib to new syntax. Added recursor and changed all/any functions
* Fixed performance issues. Changed include management
* Fixed hash type
