lemon/bits/solver_bits.h
2012-05-06 Merge bugfix #441 to branch 1.2
2012-05-05 Fix buggy reinitialization in _solver_bits::VarIndex::clear() (#441)
2010-03-06 Unify the sources (#339)
2009-02-23 Fix several missing includes (#232)
2008-12-02 Thorough redesign of the LP/MIP interface (#44)