fix util.objmap bug
Added eig function
Removed comment separator
add cache truncation (hardcoded at maxlen=1000)
Merge to enforce cache length limits.
Fixed gauss order bug
Wrong shape in the EigenVector class
Added eig and eigh to the numeric module
introduce SaneArray,move ImmutableArray to numeric
rewrite log module once again, introduce streams
ass --profile option
log multiple files comma separated
Merge pull request #13 from xunxunwu/master

fix util.objmap bug
fix path subst, fix traceback, plus cleanups
Fixed eigenvector
Merge branch 'master' into sane

Conflicts:
	nutils/log.py
	nutils/util.py
remove deprecation warning
add SaneArray, rename contract to _contract
Merge branch 'master' into sane
fix finitecell bug introduced at bb00aa1