Revert "test2"

This reverts commit 2248c6fb0c243ae6260fa6c2c76384103d0c773b.

Conflicts:
	src/lexer/BacktrackingDFA.java
Revert "token mapping"

This reverts commit eb5b1f94296d942b99d902d3dadd25feca9f09cb.

Conflicts:
	src/lexer/BacktrackingDFA.java