v0.0.3

Added

• MS3TraceList.from_buffer() to create a trace list from miniSEED in a buffer
• MS3TraceList.add_buffer() to add miniSEED data from a buffer
• buffer parameter of MS3TracesList initialization
• system_time() to return the current system time in nanoseconds
• flush_idle_seconds parameter of MS3TraceList.pack() to control flushing of data buffers that have not been updated in a specified number of seconds
• libmseed updated to v3.1.8

Changed

• MS3RecordReader parameter source renamed to buffer for consistency