CQL: Use line_comment for comments in SQL example
CQL: Use [[:space:]] not [:space:] in cql.g
CQL: Parse double quoted strings as c-style strings
CQL: Add tokens for lower case, strings, and identifiers
CQL: Accept hexadecimal literals with suffix types as INTLIT
CQL: Add missing BETWEEN token
CQL: Allow mixed case "@dummy_nullables"
CQL: Allow mixed case "offset"
CQL: Allow mixed case "@begin_schema_region"
CQL: Allow mixed case "object"
CQL: Allow mixed case "else if"
CQL: Comment out (call ...) statments/expressions that aren't parsing
CQL: Comment out (...) expressions/statements that aren't parsing
CQL: Comment out references to undefined @emit_constants and @emit_group
CQL: Comment out references to undefined group keywords
CQL: Comment out undefined @blob... directives
CQL: Comment out invalid syntax with blob, cursor, and set as types
CQL: Comment out function declarations that don't match syntax
CQL: Comment out "1 AS int NOT NULL" etc that doesn't match grammar
CQL: Comment out cursor declaration that doesn't match syntax
CQL: Comment out string using double single quotes as an escape sequence
