added new test for pdn to interpret both x86 and arm instructions, attempted pd -10 test, but it fails inconsistently
added basic tests for new back disassembly
added basic tests for new back disassembly
Updating test cases so far
Adding tests for pdn and pd
Merge branch 'master' of https://github.com/radare/r2-regressions into try_again
Merge branch 'working_pd_tests' of git://github.com/deeso/r2-regressions into deeso-working_pd_tests