modified:   Database/HDBI/SqlValue.hs
	modified:   Database/HDBI/Types.hs
* [SqlValue] is also instance of FromRow and ToRow, interface simplified with this fact
* INLINEABLE added to small functions
* Each ToSql instance is ToRow instance as well, considered
  as row with one element
* Type convertion helpers (one, onei, unone ...)

* version bumped to 1.3.0