v1.3.1

New features:

• Function parameter completion that shows possible arguments
• Autocomplete now show completions after global namespace ::
• Right margin line can be turned on in preferences

Improvements and cleanups:

• Debug event handler cleanups
• Optimisations to autocomplete
• Fixes to markdown style formatting
• Fixed crash when two processes wrote to the same cache file
• Improved search for clang-format and lldb-server executables ending with version strings