Add command line arguments for JavaCC 4 and JavaCC 8

[zbynek]

Fixes #50

[codecov-commenter]

Codecov Report

Patch coverage: 40.00% and project coverage change: -1.67 ⚠️

Comparison is base (6ca01dc) 87.73% compared to head (f5b02dc) 86.06%.

❗ Current head f5b02dc differs from pull request most recent head deb38d9. Consider uploading reports for the commit deb38d9 to get more accurate results

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Additional details and impacted files

@@             Coverage Diff              @@
##             master      #60      +/-   ##
============================================
- Coverage     87.73%   86.06%   -1.67%     
- Complexity      149      150       +1     
============================================
  Files            23       23              
  Lines           432      445      +13     
  Branches         28       33       +5     
============================================
+ Hits            379      383       +4     
- Misses           49       58       +9     
  Partials          4        4              

Impacted Files	Coverage Δ
.../javacc/programexecution/JjtreeProgramInvoker.java	55.00% <40.00%> (-45.00%)	⬇️

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