Re-add ParamType into the ABI typing

[ricmoo]

This seems to have broken a few things (See: dethcrypto/TypeChain#206).

I will add the ParamType back into the contractInterface constructor and related function (for example, 6da5c53#diff-a3e6713bb3c02c967405706be5ce2163L367).

Anyone passing in a ParamType will crash, since this object is verified at runtime, but since it has been like that for ages, it won't cause any problems that weren't already present. But it seems the ParamType was allowing some things that shared its "shape" work, in the case of JSON objects.

This will only be changed in v4 (v5 is happy with the correct signature ;)).

[ricmoo]

This has been published in 4.0.44. Please try it out and let me know if it works for you.

[ricmoo]

I haven't heard any more complaints and a few people have updated and found the problem is fixed, so I'm going to close this now. Please feel free to re-open if you continue to have issues.

Thanks! :)

[HenryNguyen5]

Thanks @ricmoo!