Update README.md
Update README.md
fix wrong width bug
prevent range slider values from going beyond the min and max values
prevent slider value beyond min/max values
fix get/setValue, behaviour of $(element).slider() changes depending on whether an argument is passed
Merge pull request #19 from j0hnsmith/constrain_values_to_bounds

Constrain values to bounds
Merge pull request #20 from j0hnsmith/fix_width_bug

fix wrong width bug
Merge pull request #21 from j0hnsmith/fix_getvalue

fix get/setValue, behaviour of $(element).slider() changes depending on ...
insert missing curly brace
Merge pull request #24 from ahumphreys87/bug/missing_brace

insert missing curly brace
add id