Equality is broken for non decimal types

[jjttjj]

(= (dc/decimal 123) :x)
results in

#object[Error Error: [DecimalError] Invalid argument: :x]

Due to the IEquiv implementation here:

decimal/src/decimal/core.cljs

Line 752 in c0bee2e

(.eq v other)))

It should check that the thing being compared is a number or decimal type.

I will send a PR soon.

[hipitihop]

We have seen the same with not=