Add a let() expression
Add list-comprehensions
Merge branch 'let-expression' of git://github.com/OskarLinde/openscad into OskarLinde-let-expression
Merge branch 'list-comprehensions' of git://github.com/OskarLinde/openscad into OskarLinde-list-comprehensions
Merge remote-tracking branch 'origin/list-comprehensions' into list-comprehensions-and-let
Refactor let and list comprehension expressions a little
to be more in line with the other expression evaluation refactoring to minimize stack space
let()-expression: disable reassignments
Added testcases for let and list-comprehensions
Merge pull request #806 from OskarLinde/list-comprehensions-and-let

List comprehensions and let update
doc
Merge branch 'master' into list-comprehensions
Merge pull request #792 from openscad/list-comprehensions

List comprehensions && let() expression