Merge branch 'hotfix/double_precision' into develop

Author: michael-grunder

library.h

@@ -66,10 +66,10 @@ PHPAPI void redis_client_list_reply(INTERNAL_FUNCTION_PARAMETERS, RedisSock *red
 #define REDIS_DOUBLE_TO_STRING(dbl_str, dbl_len, dbl) \
 	char dbl_decsep; \
 	dbl_decsep = '.'; \
-	dbl_str = _php_math_number_format_ex(dbl, 8, &dbl_decsep, 1, NULL, 0); \
+    dbl_str = _php_math_number_format_ex(dbl, 16, &dbl_decsep, 1, NULL, 0); \
 	dbl_len = strlen(dbl_str);
 #else
 #define REDIS_DOUBLE_TO_STRING(dbl_str, dbl_len, dbl) \
-	dbl_str = _php_math_number_format(dbl, 8, '.', '\x00'); \
+	dbl_str = _php_math_number_format(dbl, 16, '.', '\x00'); \
 	dbl_len = strlen(dbl_str);
 #endif