Updated spacing classes so you can now have pad-small-medium which wo…

…uld render padding-top: 10px; padding-right: 30px; padding-bottom: 10px; padding-left: 30px;

TAKE THAT, Nicolas Gallagher @necolas

stylesheets/stitch/patterns/layout/_spacing.scss

@@ -157,6 +157,31 @@
 					margin-right: (-($base * $i));
 					margin-left: (-($base * $j));
 				}
+
+				// Now you can have pad-normal-small, 
+				// which renders  
+				// {padding-top: 20px; padding-right: 10px; padding-bottom: 20px; padding-left: 10px;}
+
+				.pad-#{nth(unquote($list), $i)}-#{nth(unquote($list), ($j))} { 
+					padding-top: ($base * $i);
+					padding-right: ($base * $j);
+					padding-bottom: ($base * $i);
+					padding-left: ($base * $j);	
+				}
+
+				.inset-#{nth(unquote($list), $i)}-#{nth(unquote($list), ($j))} { 
+					margin-top: ($base * $i);
+					margin-right: ($base * $j);
+					margin-bottom: ($base * $i);
+					margin-left: ($base * $j);
+				}
+
+				.offset-#{nth(unquote($list), $i)}-#{nth(unquote($list), ($j))} { 
+					margin-top: (-($base * $i));
+					margin-right: (-($base * $j));
+					margin-bottom: (-($base * $i));
+					margin-left: (-($base * $j));
+				}
 			}
 		}
 	}