[SP-518] - Patch request for PDI-10554 - Setting num-mappers argument doesn't stay when switching from Command Line View to List View in Sqoop Import step (5.0)

make StreamTokenizer treat digits, dash and dot as "ordinary" characters

squashed commit: [PDI-10554] - unit test: before the fix of PDI-10554 the unit test fails
Merge pull request #197 from mtseu/sp-518

[SP 518] -  Patch request for PDI-10554 (5.0)