Add --only switch to attempt to load a single piece
Bump version to 0.3
Bump version to 0.3-dev
Adjust log messaging; optional header elements are info not warning.
merge exception handling in process_instruments
Example query to list pieces with null composers
Initial content for query samples
Added queries to contents
Add more query examples
Remove --null-styles portion, not deemed substantially useful
change mode to executable
change mode to executable
Fix instrument line parsing
Initial content
Initial content
Initial content
New sql examples for the doc section on queries