added version history entry for v0.94

Release v0.94

Remove restriction on color space

Removed restriction on color space, see issue #6

/close #6

Updated info for release v0.93

Added title syntax for the thumbnail image

Text after the newly identified pipe is interpreted as title for the image.

Added support for pipe syntax in {{thumbnail>*}}

Close #5

corrected formatting and indentation

updated compatibility (added Igor)

Updated description of installation routine

Added my Dockerfile for easier dependency management

Prepared release of v0.92

Added checks for ImageMagick security policy issues

corrected table flaw

Prepared release v0.91

Thumbnail presentation is now defined via max-width and min-width

divided code into 3 php files

added reference PDF file for dependency checks

checks for dependencies were moved to static methods (idea: Singleton)

added error handling and debug messages for failing dependencies

added tests for installed dependencies (ImageMagick, GhostView)

changed config setting thumb_width to thumb_max_dimension

image file suffixes are not compared to the supported format list within ImageMagick

we can now create thumbnails for jpg

extracted repetitive code to method thumb_needs_update

Added generic classes for conversion behavior