Add cast to work around const issue in new code
Work around ugly PULL93 `#if`s
Add cast to work around const issue
Make Condition an Object
Add cleanf target to clean only the frontend
Remove redundant FuncDeclaration::isAbstract
Make OutBuffer into a struct, so it can be trivially default initialized
Split up root
Turn root classes into structs
Fix typo in makefile
Make verror extern(C) so it can be written in D and called from C++, even though va_list has a different type in dmc and dmd