844 B
For release: Move all method definitions out of headers. Clean up iterators in workbook, worksheet, cell_vector, range. One class per header. Set up Coveralls. Synchronize tests for workbook, worksheet, cell, core_properties, manifest, relationship, stylesheet, number_format, format_rule, tokenizer. Synchronize samples. Summarize what works and what doesn't. Finish documenting all header files. Port benchmarks. Clean up CMake scripts. Release 0.9.0 for Windows (static 32-bit, dll 32-bit, static 64-bit, dll 32-bit), Ubuntu 14.04 64-bit (static, shared), OSX 10.11 (static, dylib, framework). XML wrappers aren't very pretty, improve them? 100% test coverage.
Then: Implement conditional formatting. Implement charts. Implement chartsheets. Implement drawing. Implement formula evaluation? Implement pivot tables. Implement XML validation.