2016/08/29: Version 6.1.0
+2016/08/28: add contributed/libfuzzer-onig.cpp (thanks hannob)
+2016/08/28: update LTVERSION 4:0:0
+2016/08/28: NEW API: onigenc_is_valid_mbc_string().
+2016/08/27: add is_valid_mbc_string() member into OnigEncodingType.
+2016/08/27: fix out of bounds read.
+2016/08/26: fix out of bounds read.
+2016/08/25: disable USE_INVALID_CODE_SCHEME.
+2016/08/24: fix out of bounds read.
2016/08/23: doc/RE improved.
2016/08/22: add onig_scan() into doc/API.
2016/08/22: fix bug: Out of bounds read in onig_strcpy() #17