1.PyDataSection増加readStringArray()、readStringArrays()接口
2.SectionNode増加readStringArray()、readStringArrays()、readIntArrays()、readFloatArrays()接口

用法：
section.readStringArray( "abc/def/g/h", ';' );
section.readStringArrays( "abc/def/g/h", ';', ',' );