'''Envisaged for 0.4.0''':
 * Well-tested kinematics.

'''Will be new in 0.3.91''':
 * Works under Windows/C++ (dll export fix)
 * flavor tagging with beamspot constraint
 * tkf with beamspot constraint

'''New in 0.3.90''':
 * btagging compiles in visual studio.
 * first vertex fitting with separate track containers for primaries, also.
 * Kinematics now superficially testsed.
 * Well-tested track refitting, beam spot constraints.

'''New in 0.3.3-pre1''':
 * Compiles under Visual studio.
 * Minor beam spot bug fix.

'''New in 0.3.2''':
 * First implementation of kinematics.