* Added cmd_meta in r_core->cmd
* Cleanup data type range before adding new one in r_meta
- mix idea for meta+ranges (commented)
* Search -> initialize renamed to begin()
* Added memcmp_mask for r_util
* Fix crash issue in perl module
--HG--
rename : libr/search/xrefs.c => libr/search/old_xrefs.c
- Added test program that sets and gets metadata.
- It needs much more features and stuff
- Integration with r_core is mandatory! :)
- Hard simplification from the old r1 code
* Added r_str_concat and r_str_concatf in r_util
