Add the capability to create tagged pointer and classes in bitmanip
avoid triggering issue 13745 in further improvements to come
Solaris fixes for std.stdio and std.parallelism

- Use GENERIC_IO
- Use sysconf to determine number of CPUs
Merge pull request #2758 from redstar/solaris

Solaris fixes for std.stdio and std.parallelism
Merge pull request #2737 from 9il/exc

avoid triggering issue 13745 in further improvements to come
Merge pull request #2739 from deadalnix/taggedref

Add the capability to create tagged pointer and classes in bitmanip