Fix #36
fix bug in writemime
Merge pull request #37 from lebek/master

fix bug in writemime
Throw error on sub mis-indexing (fix #39)
Fix #42
Add shepp logan phantom
Add shepp_logan to exports
Merge pull request #45 from tknopp/shepplogan

Add shepp logan phantom (fixes #44)
Small fixes
Add opening and closing
Merge pull request #47 from tknopp/morphology

Morphology: Opening and Closing
Add docu and test for shepp-logan
Use 0.0 in shepp-logan test
Merge pull request #48 from tknopp/sheppLoganDocu

Add docu and test for shepp-logan
Fix #49
Merge branch 'io'

Conflicts:
	src/io.jl
Improve detection of ImageMagick
More robust identification of libMagickWand