map_fields 的所有版本
自從 May 12, 2010 以來，有 6 個版本:
- 2.0.0.beta2 - January 10, 2012 (8.5 KB)
- 2.0.0.beta - December 15, 2011 (8.0 KB)
- 1.0.4 - June 13, 2011 (9.0 KB)
- 1.0.3 - July 06, 2010 (14.5 KB)
- 1.0.2 - July 06, 2010 (14.5 KB)
- 1.0.1 - May 12, 2010 (14.0 KB)