fix: closeOnBlur works properly with multiple dropdowns

Remember exact dropdown parent on initialization.
On each document click if we're on .multiselect-parent node check if that node is that original dropdown parent.
Merge pull request #17 from anatolikurtsevich/master

Made bower.json correct and fixed bug: typo in settings.scrollableHeight option using.
Merge pull request #18 from gkond/master

fix: closeOnBlur works properly with multiple dropdowns
update bower version
updated minified
Added ability to access search filter from outside
Update README.md
Merge branch 'main-master'