v0.6.4

• [+] wxc-searchbar supports the type of setting the keyboard return key. issues/287
• [!] Fixed the wxc-slider-bar bug about position. issues/282
• [+] wxc-slider-bar supports dynamic modification of data and style in real time display.
• [!] Fixed the bug about wxc-button when set the type. issues/268
• [+] Fixed the bug about wxc-grid-select when using more than one.
• [!] Fixed the bug about wxc-ep-slider when slide to last one. issues/277