v2.1

• Set SQLite busy timeout to 10 seconds to allow for graceful multi-process access to the database (e.g. parallel usage).
• Set HAVE_USLEEP=1 for SQLite build to allow timeout loops to iterate with sub-second intervals.

v2.0

• Update to schema version 1.0, which includes timerates and format fields.
• Change default database name from iris to timeseries.
• Update libmseed and sqlite3.