Modify conditions for 'No results found' dropdown
Modify conditions for 'No results found' dropdown [improved]

- Replaces the new line in the last commit with clearResults()
Modify the method calls inside specialKeyHandler()

- Replaces the two method calls inside specialKeyHandler() with clearResults()
Merge pull request #32 from YasuhiroYoshida/bugfix-suppress-no-results

Modify conditions for 'No results found' dropdown