Allow empty scripts
Allow multiple tests per file
Start tests
Fix parsing loop
Lex bare dollar
Expand {x..y}
More tests
Lex backticks
Define word type
Decode special quotes during lexing
Implement expansions
Implement brace expansions
Simplify lexer
Parse conditionals over Words and Strings
Don't filename expand single brackets
Test conditionals
Fix lexing of angle brackets
Fix typo
Parse tests all at once
Expand in double quotes