[NEW] Added the ability to Change Passwords in 1Password.

This should resolve issue #34.

![](http://cl.ly/image/2w2p2u0s0G3m/Image%202014-08-11%20at%2010.46.45%20AM.png)
![](http://cl.ly/image/2F3g1P1U2g2L/Image%202014-08-11%20at%2010.46.54%20AM.png)