Fix addition of complex-valued Fill and ranges

[dlfivefifty]

No description provided.

[codecov]

Codecov Report

Merging #164 (5ca17a1) into master (a8bffd3) will decrease coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #164      +/-   ##
==========================================
- Coverage   96.25%   96.22%   -0.03%     
==========================================
  Files           4        4              
  Lines         640      636       -4     
==========================================
- Hits          616      612       -4     
  Misses         24       24              

Impacted Files	Coverage Δ
src/FillArrays.jl	94.76% <100.00%> (-0.07%)	⬇️

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