Sleipnir Browser

What's new in this version:

Features:
- Add a How-To for using Wing with Docker
- Allow disabling code warnings from the tooltip displayed over the editor
- Add preliminary support for macOS 10.15 (Catalina)
- Support code folding in JSON files
- Support optional word wrapping for output in the Testing tool
- Add a preference to send debugger keep-alive messages for environments that close
- inactive connections (disabled by default)

Changes:
- Show debugger data values in tooltips when hovering over a name, even if tooltips
- are disabled for the rest of the UI
- Run test files in the order that they are displayed in the Testing tool
- Only show test files that exist after a project is opened

Bug Fixes:
- Fix analysis of class attributes
- Fix analysis of augmented assigment statements
- Avoid spurious super(). undefined attribute warnings
- Avoid spurious from __future__ import name warnings
- Avoid the potential for reformatting a file for PEP 8 after the debugger has started
- Fix display of non-ascii text in OS Commands when using a pseudo-tty
- Fix failure to get the last part of output from a process run in the OS Commands tool
- with pseudo-tty enabled
- Fix failure to convert encoding of text sent to an OS Command running in a pseudo-tty
- Terminate OS Commands when remote agent connection is lost
- Set the default file type correctly in Windows file dialogs
- Fix dragging 2+ files in the Project tool
- Clear test output and exceptions when results are explicitly cleared
- Allow disabling warnings shown when editing the active remote host configuration
- Don't fail to start the debugger if sys.breakpointhook is missing when the debugger
- initializes in python 3.7+
- Don't display an icon to disable a warning when there is no warning to disable
- Fix removing underlines from warnings and errors when some lines are modified
- Don't insert -> if typing - after a space in a def's argument list
- Avoid segfaults in the debugger when inspecting certain Cython functions
- Fix problems with the use of tools in separate windows
- Allow the scripting API to set breakpoints in non-existent files
- Show tooltip with a correctly sized window when the last tip shown was wider
- Don't show tooltips for the top toolbar when tooltips are disabled