Added a custom isEqual function

[erikras]

Fixes #7.

[codecov]

Codecov Report

Merging #10 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master    #10   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           1      1           
  Lines          25     26    +1     
  Branches        6      8    +2     
=====================================
+ Hits           25     26    +1

Impacted Files	Coverage Δ
src/decorator.js	100% <100%> (ø)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 857771e...f6f4f7f. Read the comment docs.

[erikras]

Published in v1.1.0.