Version bump
Merge branch 'master' into 0.3-maintenance
Fix incorrect encoding of filename.  Fix #122
Fix key type of Image.metadata to str in Py3
(WIP) #116 CentOS compatibility

Made DrawSetTextInterlineSpacing and DrawGetTextInterlineSpacing optional
Added exception in drawing api when trying to use those features when they are not available
Added specific exception class for library versions issues
Merge branch 'issue_116' of https://github.com/pvanliefland/wand into 0.3-maintenance
Changelog for #124.  Close #116
Upload debug images to imgur.com
Release 0.3.2