Use `wait(spawnShell())` instead of deprecated `system()`
Linker command for OSX is the same as for other platforms
Properly escape filenames passed to shell
Update libd
alias parameters with context
Embeded context in structs
Embeded context pointer in structs on heap
Context for classes
Class with multiple contexts
Merge pull request #4 from schuetzm/fix-shell-warning

A few fixes for the call to the linker
LLVM 3.5
scope refactoring