v0.6.0-beta.1

• fixes latest OSX builds
• fixes issues with other LSP clients than code-d
• bigger fiber stack size for completion among other tiny things (fixes a few crashes in big code)
• auto completion no longer triggers after operators (fixes it triggering right after comments)
• new --provide context-snippets for auto completing snippets
• adds snippets which only complete if certain dub dependencies are present
• adds dynamic snippets analyzing the current scope for variable placeholder names
• mark deprecated and unused linter errors properly
• better observing of renamed files and add watching creation of dub.json/dub.sdl to insert boilerplate
• fixes some sort import bugs