Add a wrapper around history to load a single commit.
Add a wrapper around history to load a single commit.

kactus-io/kactus,BugTesterTest/desktops,gengjiawen/desktop,say25/desktop,artivilla/desktop,shiftkey/desktop,hjobrien/desktop,artivilla/desktop,desktop/desktop,j-f1/forked-desktop,say25/desktop,hjobrien/desktop,gengjiawen/desktop,j-f1/forked-desktop,hjobrien/desktop,j-f1/forked-desktop,shiftkey/desktop,j-f1/forked-desktop,say25/desktop,BugTesterTest/desktops,kactus-io/kactus,BugTesterTest/desktops,desktop/desktop,desktop/desktop,artivilla/desktop,gengjiawen/desktop,artivilla/desktop,desktop/desktop,gengjiawen/desktop,hjobrien/desktop,shiftkey/desktop,say25/desktop,kactus-io/kactus,kactus-io/kactus,shiftkey/desktop,BugTesterTest/desktops