Implement unsigned types


git-svn-id: http://dyncall.org/svn/dyncall/trunk@1629 c71cb566-5a31-4692-9165-cf76bdc42cab
Add erlang to doc


git-svn-id: http://dyncall.org/svn/dyncall/trunk@1630 c71cb566-5a31-4692-9165-cf76bdc42cab
- doc tweak


git-svn-id: http://dyncall.org/svn/dyncall/trunk@1631 c71cb566-5a31-4692-9165-cf76bdc42cab