RT 36540 -- support upper case in hex and binary numbers
remove inline tests from PPI::Toke::Pod
RT 75039: don't allow '=CUT' to terminate POD
add .t file for PPI::Token::Operator
remove inline tests from PPI::Lexer
RT 68176 and 71705 -- support all augmented assignment operators
Parse x3 as x operator plus a number.
Fix x=>$x being mistakenly parsed as x= > $x.
add passing regression tests for (1)x6, which was fixed prior to 1.215
tests and fix for methods/functions like ->x86_convert() parsing as containing the x operator
fix for '1=>x' being parsed as x operator
remove Test::Inline tests and normalize formatting