Throw more meaningful errors. See egorkhmelev/jslider#7.
Update changelog.
Change scale generation to position elements with 3 decimal places of accuracy, rather than 1 and limit percentages to the range 0 <= value <= 100.

See also egorkhmelev/jslider#9.
Update changelog.
Fix jam include.
Bump version to 1.2.
Fix AMD build of renamed package.
Rebuild.