Update README.md

Author: tresf

README.md

@@ -45,6 +45,7 @@ All switched **must** be prefixed with a single hyphen.  e.g. `-append -overwrit
 | `allowdots` | Disable the replacement of dots `.` in a table name with underscores `_`. |
 | `pointfromtext` | Use PointFromText attempts to convert `SqlGeography` `POINT(x y)` values using `PointFromText('POINT(x y)')` WKT (well-known-text) conversion |
 | `debug` |	Prints way more characters to your screen than you'd like to. If something didn’t work in the way you expected, or you want to submit a bug, run your statement with the debug switch. |
+| `version` |	Prints the version information and exits. |
 | `help` or `?` |	Prints this short help. Ignores all other parameters. |
 
 ## Examples