* add ARM Thumb branch address testcases

* fix ARM Thumb B.W addresses (issue #298)

b.cond/cbz/cbnz/tbz/tbnz/adrp

for issue #284

ARM64(llvm): Disable range checking on instructions with a PC-relative offset (b/bl/cbz/cbnz/tbz/tbnz/ldr/ldrsw/prfm)

added support to get current fragment size in the streamer interface. This fixes the address update issue in case of directive emitting values in between instructions and breaking the follow up relative jumps

use KS_ERR_NOMEM instead of -1.

This reverts commit f18b6e19.

* ks_free: The 'p' argument should have type unsigned char* to match the type of the 'encoding' argument to ks_asm