Add support for searching for namespaces and namespace aliases.
Add support for building against clang version 3.3.
Create a CLANG_AT_LEAST macro and use it for version detection.
Fix search_url in server response
Rename RemoveTrailingColonColon to removeTrailingColonColon
to indicate that it is a private helper method.
Merge clang 3.3 support. Close #143.
Merge support for search namespaces and namespace aliases. Close #142.