Improvements

• Snowflake (snowsql) support
• Added support for prompting of the connection parameters
• Table/view/function selection quick panel is pre-populated with the text of the current selection
• New command ST: Refresh Connection Data (internal name st_refresh_connection_data) to reload the list of database objects
• Improve performance (completions and connection listing)
• Add a configurable setting to enable/disable completion for certain selectors (autocomplete_selectors_ignore, autocomplete_selectors_active)

Fixes

• Fix PostgreSQL v11 compatibility issue (functions were not listed)
• Do not create an empty settings file [#144]
• Bump timeout to 60 seconds for internal commands
• Use python core logging for logs