ODS 1.0.3

Changes:

• Added the ability to add additional compression formats.
• Removed the Compression enum in favor of the Compressor interface.

Example:
1.0.2:

ObjectDataStructure ods = new ObjectDataStructure(new File("test.ods"), Compression.ZLIB);

1.0.3:

ObjectDataStructure ods = new ObjectDataStructure(new File("test.ods"), new ZLIBCompression());