Callbacks for the new struct conversion: BeforeConvert{To,From}Callba…

…ck, AfterConvert{To,From}Callback (#11)

* Callbacks for the new struct conversion: BeforeConvert{To,From}Callback, AfterConvert{To,From}Callback

* remove callback count

Merge pull request #9 from soranoba/v2

Enhanced map conversion. (v2)

Merge pull request #7 from soranoba/fix/embeded-field

Fixed copy of embedded field not working properly

Merge pull request #6 from soranoba/feature/syntax-sugar-2

add ToBool, ToBoolPtr

fix indent in README

Merge pull request #1 from soranoba/feature/fix-convert-error

Fix that ConvertError crash and has incorrect value.

Fixed ConvertError's DstType to be correct

add .idea in .gitignore

update README.md

add docs