Hotfix for version bumping

[Lee-W]

Error

In the original design, MAJOR will be overwritten by other if it's not the latest one.

[codecov]

Codecov Report

Merging #144 into master will increase coverage by 7.98%.
The diff coverage is 96.55%.

@@            Coverage Diff             @@
##           master     #144      +/-   ##
==========================================
+ Coverage   83.40%   91.39%   +7.98%     
==========================================
  Files          32       33       +1     
  Lines         711      755      +44     
==========================================
+ Hits          593      690      +97     
+ Misses        118       65      -53     

Flag	Coverage Δ
#unittests	91.39% <96.55%> (+7.98%)	⬆️

Impacted Files	Coverage Δ
commitizen/cmd.py	100.00% <ø> (ø)
commitizen/config/base_config.py	91.30% <ø> (+7.30%)	⬆️
...en/cz/conventional_commits/conventional_commits.py	100.00% <ø> (ø)
commitizen/commands/init.py	73.43% <80.00%> (+42.18%)	⬆️
commitizen/git.py	95.00% <94.33%> (+23.94%)	⬆️
commitizen/__version__.py	100.00% <100.00%> (ø)
commitizen/cli.py	85.29% <100.00%> (+4.64%)	⬆️
commitizen/commands/bump.py	86.66% <100.00%> (+11.05%)	⬆️
commitizen/commands/check.py	100.00% <100.00%> (ø)
commitizen/commands/commit.py	93.33% <100.00%> (-0.42%)	⬇️
... and 12 more

---

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 2803b18...6d89df3. Read the comment docs.