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
Use shared_ptr instead of managing memory manually
Add use and include to syntax highlighting. Also prime dynamic keyword expansion
Remove dependency on cl by substituting incf for setq, and fail-fast if there is a problem during indentation
Merge pull request #807 from Lenbok/scad-mode-improvement

Improvements to the emacs scad-mode
Merge pull request #808 from Lenbok/issue-438-cl-dependency

Remove dependency on cl from scad-mode
kill warning
Ubuntu 12.04 build fixes
Cleaned up library dependencies
Merge branch 'master' of github.com:openscad/openscad
Merge branch 'master' of https://github.com/openscad/openscad
Added harfbuzz PPA