Invert orientation intent

The old method implied that the `h` or `v` represented the direction of the grid. In the months of development for ggn, I've rarely gotten it right the first time, my mental association being that the orientation refers to the guides themselves. Since this seems to be natural, let's use it.

Author: Cameron423698

README.md

@@ -20,22 +20,22 @@ e.
 - a guide at the top, right, bottom, and left of the document.
 
   ```
-  | ~ | (v)
   | ~ | (h)
+  | ~ | (v)
   ```
 
 
-- a three row vertical grid
+- a three column vertical grid
 
   ```
-  | ~ | ~ | ~ | ( v )
+  | ~ | ~ | ~ | ( h )
   ```
 
 
 - a one hundred pixel horizontal grid with a ten pixel left margin, ten pixel right margin, and a twenty pixel column centered in the middle
 
   ```
-  | 10px | ~ | 20px | ~ | 10px| ( h, 100px )
+  | 10px | ~ | 20px | ~ | 10px| ( v, 100px )
   ```
 
 - a grid with a left side bar with 10px on either side, and a five columns filling the gap.
@@ -164,7 +164,7 @@ A fill is represented by a asterisk `*` folowed by nothing and is a gap that wil
 
   ```
   $ = 16px |
-  | $* ( v )
+  | $* ( h )
   ```
 
 
@@ -174,7 +174,7 @@ Optional values to modify how the grid is created.
 
 ### Orientation
 
-Determines the direction the grid will be rendered, whether horizontal or vertical. Orientation options are *not* case sensitve.
+Determines the orientation of the guides in the grid. Orientation options are *not* case sensitve.
 
 #### Values:
 
@@ -222,7 +222,7 @@ Optional unit object that specifies the width of the grid area to be used for th
 
 #### Examples:
 
-- `| ~ | ~ | ~ | ( h, 100px )`  
+- `| ~ | ~ | ~ | ( v, 100px )`  
   A three column grid that is one hundred pixels wide.
 
 ### Grid offset
@@ -233,16 +233,16 @@ Optional unit object that specifies how far from the origin the grid will be off
 
 - A ten pixel column that sits 50px from the left side of the document/selection
 
-  `| 10px | ( hF, , 50px )`
+  `| 10px | ( vF, , 50px )`
 
 
 - A ten pixel column that sits 50px from the right site of the doucment/selection
 
-  `| 10px | ( hL, , 50px )`
+  `| 10px | ( vL, , 50px )`
 
 - A ten pixel wide column that sits 30px from the right side of a 100px selection.
 
-  `| 10px | ( hL, 100px, 30px)`
+  `| 10px | ( vL, 100px, 30px)`
 
 ## Errors