update ChangeLog

ChangeLog

@@ -1,5 +1,17 @@
 This file details the changelog of Unicorn Engine.
 
+----------------------------------
+[Version 1.0-rc1]: December 22nd, 2016
+
+- Lots of bugfixes in all architectures.
+- Better support for ARM Thumb.
+- Fix many memory leaking issues.
+- New bindings: Haskell, MSVC.
+- Better support for Python3.
+- New APIs: uc_query, uc_reg_write_batch, uc_reg_read_batch, uc_mem_map_ptr, uc_mem_regions, uc_context_alloc, uc_context_save & uc_context_restore.
+- New memory hook type: UC_HOOK_MEM_READ_AFTER.
+- Add new version macros UC_VERSION_{MAJOR, MINOR, EXTRA}
+
 ----------------------------------
 [Version 0.9]: October 15th, 2015