#148 Fix infinite loop when word is too large for column

[smartboyathome]

Splits the word naively at the column boundary. Don't know if this is the best way but seems to pass all the tests, including the one I made to repro this issue.

Fixes #148

[codecov-io]

Codecov Report

Merging #150 into master will increase coverage by 0.41%.
The diff coverage is 50%.

@@             Coverage Diff              @@
##             master     #150      +/-   ##
============================================
+ Coverage        91%   91.41%   +0.41%     
- Complexity       50       53       +3     
============================================
  Files             1        1              
  Lines          1256     1258       +2     
  Branches        320      321       +1     
============================================
+ Hits           1143     1150       +7     
+ Misses           46       42       -4     
+ Partials         67       66       -1

Impacted Files	Coverage Δ	Complexity Δ
src/main/java/picocli/CommandLine.java	91.41% <50%> (+0.41%)	53 <0> (+3)	⬆️

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[remkop]

Thanks a lot for the PR! I will review tonight when I get home from work.

[remkop]

Thank you for your pull request!