fix == of different types

[jverzani]

No description provided.

[codecov]

Codecov Report

Merging #410 (5a285b9) into master (6a6be69) will decrease coverage by 0.03%.
The diff coverage is 81.25%.

@@            Coverage Diff             @@
##           master     #410      +/-   ##
==========================================
- Coverage   83.72%   83.69%   -0.04%     
==========================================
  Files          23       23              
  Lines        2784     2797      +13     
==========================================
+ Hits         2331     2341      +10     
- Misses        453      456       +3     

Impacted Files	Coverage Δ
src/common.jl	89.60% <81.25%> (-0.49%)	⬇️

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