support delete via click, multiple entries, sort for single + bit of cleanup
replace value /w valueField
fixed last commit, use typeof to compare with undefined
space
Make delete button an anchor link
copy values array before modifying
reset search returns the new state instead of setting it
fixed _remove of single selection
forgot to pass values to resetSearch
added allow Duplicates to proptypes
check for values
sort options from the beginning
pass options to _resetSearch instead of values
also sort single from beginning
Merge pull request #10 from Pita/improvements

support delete via click, multiple entries, sort for single + bit of cleanup