Add retrying normalization if necessary.

[RomeoV]

See #25.

[codecov]

Codecov Report

Attention: Patch coverage is 9.09091% with 10 lines in your changes are missing coverage. Please review.

Project coverage is 80.75%. Comparing base (d55da16) to head (d3cc117).
Report is 10 commits behind head on master.

Files	Patch %	Lines
src/svd.jl	9.09%	10 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #39      +/-   ##
==========================================
- Coverage   85.03%   80.75%   -4.29%     
==========================================
  Files           4        4              
  Lines         254      265      +11     
==========================================
- Hits          216      214       -2     
- Misses         38       51      +13     

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[ViralBShah]

@RomeoV Apologies coming back to this after such a long time. Is it still useful to get this added? If it helps, I'm happy to invite you to have commit access to this package (which hopefully doesn't move much).