Rationalize option sense handling, fix a few bugs and typos
-rw-r--r-- 365 .gitignore
-rw-r--r-- 147548 ast.py
-rwxr-xr-x 141 ast.sh
-rw-r--r-- 2381 bisect_set.py
drwxr-xr-x - bootstrap
-rwxr-xr-x 571 degenerate.py
-rw-r--r-- 17757 dfa.py
drwxr-xr-x - doc
-rw-r--r-- 5061 element.py
-rw-r--r-- 384 flex_dfa.py
-rwxr-xr-x 13138 generate_ast.py
-rw-r--r-- 10186 generate_flex.py
-rw-r--r-- 8457 generate_py.py
drwxr-xr-x - lex-yacc-examples
-rw-r--r-- 16331 nfa.py
-rw-r--r-- 848 numpy_heap.py
-rwxr-xr-x 1303 pilex.py
-rw-r--r-- 41133 regex.py
-rwxr-xr-x 157 regex.sh
drwxr-xr-x - skel
drwxr-xr-x - tests
drwxr-xr-x - tests_ast
-rw-r--r-- 5044 work.py
-rw-r--r-- 585 wrap_repr.py