Release 1.0.0

Version 0.5.1

- Corrected race conditions that appeared with the new thread and file pools (sfztools#507 sfztools#508 sfztools#514 sfztools#521)
- Take the internal oversampling factor into account for loop points, and solve an issue where loop points specified in sfz files were not taken into account (sfztools#506)
- Fix an implementation error for the internal hash function when applied on a single byte (sfztools#512)
- Knobs are linear in the AU plugin (sfztools#517)
- Fix a crash in VSTGUI (sfztools#520)
- Fix the resource path in the LV2 plugin under windows (sfztools#524)
- Add MacOS make install rules (sfztools#525)