New: allow to reinitialize the homogenization engine
New: allow to reinitialize the homogenization engine

BubuLK/sfepy,rc/sfepy,vlukes/sfepy,rc/sfepy,vlukes/sfepy,sfepy/sfepy,vlukes/sfepy,BubuLK/sfepy,rc/sfepy,sfepy/sfepy,sfepy/sfepy,BubuLK/sfepy