0.6.0

• FEATURE: Expanding and collapsing multiple directories at the same time
• FEATURE: Remembering expanded directories when refreshing
• FEATURE: Double click can open files and directories
• IMPROVEMENT: Hides cursor in non-rename mode
• IMPROVEMENT: Better syntax highlighting for shortcuts page
• CHANGED: Some shortcuts are changed please refer to README or press ? on a
           FileBrowser view.
• Also fixed multiple bugs. please refer to the github repo for more details
