bugfixes in strtotime, regexps,, htmlentities, parse_str

strtotime: workarounds for "\d\d\d\d\d\d\d\d \d\d\d\d\d\d" and
"\d\d\d\d\d\d\d\d\d\d\d\d\d\d" patterns
regexps: correct support for ranges with symbol code > 128
htmlentities: support for encodings
parse_str: support for array keys (with "[]")
set user error handler via config
PhpBytes support for zero code symbols in debug view