Fixed double values in line 48 and 53.

[bgrgv]

In lines 48 and 53, int values were given instead of double. Fixed those by adding decimal points.

[bgrgv]

@putraxor Please have a look...

[Tilakg05]

you need to change this # 59 final forget label = FlatButton
And you need to add a password show and hidden button. #