Add some documentation on the various flavors of direct results.
Add some documentation on the various flavors of direct results.

jay-z007/dxr,pelmers/dxr,jbradberry/dxr,pelmers/dxr,pelmers/dxr,kleintom/dxr,jbradberry/dxr,pelmers/dxr,jbradberry/dxr,pelmers/dxr,pelmers/dxr,jay-z007/dxr,kleintom/dxr,jbradberry/dxr,kleintom/dxr,pelmers/dxr,jbradberry/dxr,kleintom/dxr,jay-z007/dxr,kleintom/dxr,kleintom/dxr,jbradberry/dxr,kleintom/dxr,jay-z007/dxr,jbradberry/dxr,jay-z007/dxr,jay-z007/dxr,jay-z007/dxr