Merge branch 'release-1.6.0'
Deleted workaround from Parallelizer class.
Merge pull request #725 from kozatt/master

Eliminated serial execution at the first evaluation of Parallelizer
Update README.md
Update README.md
Update README.md
Created release branch for 1.7.0
release-update commit
Created release branch for 1.7.0
release-update commit
Merge branch 'release-1.7.0' of github.com:casadi/casadi into release-1.7.0
Merge branch 'release-1.7.0'

Conflicts:
	README.md
	symbolic/fx/parallelizer_internal.cpp
Fixes #797: casadi.IOSchemeVector returns None as a last resort
Created release branch for 1.8.0
release-update commit
automatic documentation update
automatic documentation update
tools.structure: More allowing argument unpacking
Fixing mistake in helpers for tunittests
DPLEsolvber: correcting mistake in ad mode