Stop running so many individual commands when going into the script interpreter. All of the commands now get globbed into a single line.
Stop running so many individual commands when going into the script interpreter.
All of the commands now get globbed into a single line.

lldb.target, lldb.process, lldb.thread and lldb.frame now get initialized with
empty SBTarget, SBProcess, SBThread and SBFrame objects when they don't contain
anything. 



git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@149166 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,llvm-mirror/lldb