The following improvements have been merged in since 1.0rc2:

* Time estimation warning has been moved to debug log. (8a9138e)
* Priority queue memory usage slightly improved. (fa1e12e)
* Move backtrace printed by fractional_subindicator to debug log. (f016d26)
* Fix memory management crashes in debug mode. (91b940b)
* Get rid of CMake option TPIE_THREADSAFE_MEMORY_MANAGEMNT. (21eb5b8)
* Various documentation cleanup; code comments have been added/clarified.
* Some compiler warnings have been addressed.