fix header file include
reduce variable declaration
Update include_headers
combine match_entry functions into r3.h
include simple.c
Add Makefile
Add more const
const fix
remove cast
fix simple
fix typo
Fix simple.c and examples/Makefile.am
Add const fix
Add r3_tree_insert_routel_ex for error message
fix sample code
remove const from errstr
configure.ac fix for debian platform
Fix readme
update README
reset pcre_extra NULL