v2.5.7

Remove unused dependency

v2.5.6

Upgrade dev dependencies

v2.5.5

Change :visible to :not(.hidden) because :visible is not working on Safari.

v2.5.4

Fix for #166

v2.5.3

fix: #152 - ignoreDisabled: true does not work with optgroups

v2.5.2

Fix #164 Invalid regular expression

v2.5.1

change the value for the main path in bower.json

v2.5.0

now we can have different sort functions for left and right

v2.4.1

Multiple select with 'shift' button on Firefox - thanks to @wardzinskim

v.2.4.0

#139 Handle click-ing on optgroup