add safety checks for bytecode byte size and (maximum) line number used; these limits ensure that there are no overflows / clipped conversions in e.g. pc2line format which only supports 32 bits right now
release note update
Merge branch 'bytecode-limit-checks'
ditz issue update
change interface to duk_hobject_pc2line_query() to suit call sites better; shaves off some code footprint and makes call sites prettier
Merge branch 'pc2line-refactor'
ditz issue update