cmd -> Cobra

[toomore]

All cmd replace to using spf13/cobra

[codecov-io]

Codecov Report

Merging #5 into master will decrease coverage by 0.61%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master       #5      +/-   ##
==========================================
- Coverage   95.82%   95.21%   -0.62%     
==========================================
  Files           8        8              
  Lines         982      982              
==========================================
- Hits          941      935       -6     
- Misses         24       27       +3     
- Partials       17       20       +3

Impacted Files	Coverage Δ
cmd/filter/filter.go	87.42% <ø> (ø)

---

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[coveralls]

Coverage decreased (-5.8%) to 90.777% when pulling fb047e7 on cobra into 8c8d572 on master.

[coveralls]

Coverage decreased (-5.8%) to 90.777% when pulling fb047e7 on cobra into 8c8d572 on master.

[coveralls]

Coverage decreased (-5.8%) to 90.777% when pulling fb047e7 on cobra into 8c8d572 on master.

[coveralls]

Coverage decreased (-5.8%) to 90.777% when pulling d8e5e51 on cobra into 8c8d572 on master.

[coveralls]

Coverage decreased (-0.4%) to 96.138% when pulling fce1621 on cobra into 8c8d572 on master.

[coveralls]

Coverage decreased (-0.4%) to 96.138% when pulling fce1621 on cobra into 8c8d572 on master.

[coveralls]

Coverage decreased (-0.4%) to 96.138% when pulling fce1621 on cobra into 8c8d572 on master.

[coveralls]

Coverage decreased (-0.4%) to 96.138% when pulling 5eecaba on cobra into 8c8d572 on master.

[coveralls]

Coverage decreased (-0.4%) to 96.138% when pulling 5eecaba on cobra into 8c8d572 on master.