Fix 10+ parser tests with various improvements

[kyleconroy]

• Add SelectIntersectExceptQuery AST type for INTERSECT/EXCEPT operations
• Support nested multiline comments in lexer
• Add FROM INFILE and COMPRESSION fields to InsertQuery
• Improve nested array literal handling in EXPLAIN output
• Combine tuple literals in IN expressions
• Fix substr function name (should not be normalized to substring)
• Fix WITH clause element handling for empty aliases
• Remove incorrect pow -> power normalization

Enabled tests:

• 02316_const_string_intersact (INTERSECT query)
• 00021_3_select_with_in (IN tuple)
• 02503_in_lc_const_args_bug (substr)
• 01471_with_format (WITH without alias)
• 00020_sorting_arrays (nested array literal)
• 00559_filter_array_generic
• 01491_nested_multiline_comments
• 02264_format_insert_infile
• 02264_format_insert_compression
• 01774_tuple_null_in
• Several other tests fixed by these changes