- Added string strip methods lstrip and rstrip

- Fixed the tokenizer to chomp whitespace from left and right of tokens
- Fixed the tokenizer so it returns reserved symbols not just constants and expressions
- Added some tests for the basic tokenizer and parser
- Started working on structures to allow the basic interpreter to store lines in memory

src/string.h

@@ -8,5 +8,6 @@ int strncat(char *dest, char *src, size_t n);
 void *memset(void *s, char c, size_t n);
 void *memcpy(void *dest, void *src, size_t n);
 int strcmp(char *s1, char *s2);
-
+int lstrip(char *s1, char *s2, char *strip);
+int rstrip(char *s1, char *s2, char *strip);
 #endif /* _STRING_H_ */