v1.3.0

Changelog:

• Added enum Instrument with named instruments
• Added method Song.getTimeInSecondsAtTick(int)
• Added source file to song's metadata
• Bug fixes

v1.2.0

Changelog:

• Added Song.getSongLengthInSeconds method.
• Added @NotNull and @Nullable annotations.

v1.1.1

Fixed bug in method Song.getTempo(int).

v1.1.0

Changelog:

• Added Layer.getNotes(), Song.getLayers() and Song.getCustomInstruments() methods.
• Added copy constructors.
• Notes can now be removed from layer.
• Notes can be added Layer and removed from Layer even when not associated with a song.

v1.0

First release of NBS4j library.