Fix/allowed identifier

[ap891843]

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Test following Cobol keywords are not allowed as identifiers
  address bottom close count currency data date day dbcs exit extend first initial national object off quote separate sequence service standard suppress terminal test time top

Checklist:

• Each of my commits contains one meaningful change
• I have performed rebase of my branch on top of the development
• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have checked my code and corrected any misspellings

[ap891843]

Cobol keywords are not allowed. Check below sysprint snapshot

` LineID PL SL ----+-*A-1-B--+----2----+----3----+----4----+----5----+----6----+----7-|--+----8 Map and Cross Reference
0 000001 IDENTIFICATION DIVISION.
000002 PROGRAM-ID. TEST.

==000002==> IGYDS1090-E Expected a program-name, but found "TEST". This program was given the
name "CBLNAM01".

==000002==> IGYDS1089-S "TEST" was invalid. Scanning was resumed at the next area "A" item,
level-number, or the start of the next clause.`

[ap891843]

commit ba78fa1 holds all the adjustments to the test