v0.2.4
Update README.md
Merge pull request #26 from siburu/patch-1

Fix a typo in README.md
fix field name validation.
add insert_id_field option to support insertId
add insert_id_options description
add test for field name.
fix field_string enumeration.
Merge pull request #27 from s-tajima/fix-field-name-validation

fix field name validation.
Merge pull request #28 from harukasan/feature/insertid

support insertID
v0.2.5