Better buffer insertion

Fix panic on no autosuggest encoder found

Upgrade go and deps

Fix broken prompting introduced in v0.2.11 and set tokentimeout in mo…

…re places

Add config for answer length, set to 2048, give more succinctness ins…

…tructions

Look in OPENAI_API_KEY env var for credential

Reset styled code writer in between prompts

Fixing markdown block formatting

Fix bugs with styling when markdown blocks were indented

Tweak answer colors