to cache up to 'maxCacheSeconds' as set by osrfCacheInit()
@return 0 on success, -1 on error
*/
-int osrfCachePutObject( char* key, const jsonObject* obj, time_t seconds );
+int osrfCachePutObject( const char* key, const jsonObject* obj, time_t seconds );
/**
Puts a string into the cache
to cache up to 'maxCacheSeconds' as set by osrfCacheInit()
@return 0 on success, -1 on error
*/
-int osrfCachePutString( char* key, const char* value, time_t seconds);
+int osrfCachePutString( const char* key, const char* value, time_t seconds);
/**
Grabs an object from the cache.