Fixed the version test for darwin.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@178595 91177308-0d34-0410-b5e6-96231b3b80d8
Improved reporting of faults on i386.

<rdar://problem/13558979>


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@178596 91177308-0d34-0410-b5e6-96231b3b80d8
Allow partial matching for alias commands as well as regular commands.

<rdar://problem/13552724>


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@178597 91177308-0d34-0410-b5e6-96231b3b80d8