uci: complete option/setoption

- eval-defs.c: add parameter type in ev_params
- util.c:
  - new str_eq_case()
  - new str_skip_word
  - str_token(): split string before token

src/util.h

@@ -53,8 +53,9 @@ void rand_init(u64 seed);
 u64 rand64(void);
 
 
+bool str_eq_case(char *str1, char *str2);
 char *str_trim(char *str);
-char *str_token(const char *str, const char *token);
-
+char *str_token(char *str, const char *token);
+char *str_skip_word(char *str);
 
 #endif  /* UTIL_H */