obey verbose option and eigenvectors argument in PysparseEigenvalueSolver
obey verbose option and eigenvectors argument in PysparseEigenvalueSolver

- fix default i_max, eps_a
- move imports to .__init__() for early failure

vlukes/sfepy,rc/sfepy,lokik/sfepy,BubuLK/sfepy,rc/sfepy,RexFuzzle/sfepy,lokik/sfepy,vlukes/sfepy,RexFuzzle/sfepy,sfepy/sfepy,rc/sfepy,sfepy/sfepy,BubuLK/sfepy,BubuLK/sfepy,vlukes/sfepy,RexFuzzle/sfepy,sfepy/sfepy,RexFuzzle/sfepy,lokik/sfepy,lokik/sfepy