== TODO

==============History: ==0.1.8 Fix FieldMapping#arrayify_conds的status字段加入条件

==0.1.7 Fix and release 0.1.7

==0.1.6

==0.1.4

==0.1.3

==0.1.2

==0.1.1

==0.1.0[Note: 重大变更!]

==0.0.17

==0.0.16 20111119

==0.0.15 20111118

==0.0.14

==0.0.13

==0.0.12

==0.0.11

==0.0.8

==0.0.6

==0.0.5

==0.0.4

==0.0.3 20111116

==0.0.2

==0.0.1 20111116 发布0.0.1版本,主要实现以下内容:

==20111116

根据Shang的建议,决定将共用代码抽离成gem包形式