Format and comments
Added test for __toString()
Format and comments
Fixed duplication of variable names
Changed declaration of array variables
Format and comments
Modified test for SimpleFormat

Detail:
- Created Peach_DT_SimpleFormatTest_Entry
Modified test for SimpleFormat

Detail:
- Changed type of $testFormat
- Removed getObjectList()
Modified test for SimpleFormat

Detail:
- Added Peach_DT_SimpleFormatTest_Data
Modified test for SimpleFormat

Detail:
- Peach_DT_SimpleFormatTest_Entry =>
  Peach_DT_SimpleFormatTest_ParseProfile
Modified test for SimpleFormat

Detail:
- Peach_DT_SimpleFormatTest_Data => Peach_DT_SimpleFormatTest_ParseData
Modified test for SimpleFormat

Detail:
- Peach_DT_SimpleFormatTest_ParseProfile =>
  Peach_DT_SimpleFormatTest_Sample