Enable elf64 output in ragg2
Fix ragg2 emit_syscall and emit_string for x64. Also fixes parsedatachar()

Fix x64 emit_syscall()

Fix x64 emit_string() (sort of)

Properly adjust context in parsedatachar()

Adjust CTX
Fix #422 - iej shows nothing in the shell (missing newline)
Fix #423 - asm.tabs parser to bound words between brackets
Fixed issue where strings were not loaded from bin_strings, because r->bin->minstrlen is zero (set from r_config) (fixed in set_items and r_bin_io_load)
Rename {RAsmRAnal}Op inst_len and length to size
Fix build for latest refactoring
More .size refactoring
Cleaning up functionality and fix some bugs for Java