Update README.md

Added new release.

Author: santaimpersonator

README.md

@@ -18,6 +18,7 @@ Version History
 -------------------
 
 * [v 1.0.0](https://github.com/sparkfun/SparkFun_LIS331_Arduino_Library/tree/V_1.0.0) - Initial release
+* [v 1.0.1](https://github.com/sparkfun/SparkFun_LIS331_Arduino_Library/tree/v1.0.1) - Fix to [issue #2](https://github.com/sparkfun/SparkFun_LIS331_Arduino_Library/pull/2).
 
 
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