git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1591 4e206d99-4929-0410-ac5d-dfc041789085
Here I've modified Clock.cpp and added another alias for Clock_GetElapsedTime so that it conforms with the Ruby standard. git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1590 4e206d99-4929-0410-ac5d-dfc041789085