CRAN version 0.4.4

• New function updateMultiInput for updating multiInput, thanks to @ifellows.
• New function updateVerticalTabsetPanel for updating verticalTabsetPanel.
• Update options for knobInput and airDatepickerInput.
• Custom unit & range in progress bars (arguments unit_mark & range_value in progressBar).
• Argument update_on to choose when trigger update server-side in spectrumInput.
• Vertical layout in selectizeGroup.
• New function pickerOptions to help using pickerInput options argument.
• Bug fix with size argument in actionGroupButtons.
• dropdown button act like an actionButton (same behavior as dropdownButton)
• Update Bootstrap-Select JavaScript library from 1.12.4 to 1.13.3 (used in pickerInput).