Support for ~ in cachedir

• added support for ~ shortcut for cachedir
• fixed square brackets in documentation
• fixed handling of special characters in alt and title options (fixes #70)

Fixed rendering in indented blocks

Fixed rendering when using diagrams in indented blocks, such as lists.

Fixed pip installable packages

In release 3.1.1 there was an extra file in pip packages that that was preventing the plugin from working properly.
This new new release fixes the packages.

Fixed compatibility with Markdown 2

Fixed a compatibility issue that prevented the usage of the plugin with Markdown 2.x.

Added diagram caching

Added diagram caching to avoid re-render unchanged diagrams.
To enable caching, the configuration option cachedir must be set to a path to be used as a cache.

The plugin is now available also in chocolatey (thanks to @majkinetor).

Renamed module from `plantuml-markdown` to `plantuml_markdown`

THE PLUGIN NAME HAS CHANGED FROM plantuml-markdown TO plantuml_markdown.
The the tools configuration (markdown, mkdocs, ecc.) MUST be changed accordingly.

Sorry for this new change in the module name, but the dash was a big problem for who needs to import it.

Fixed UTF-8 character handling in `svg_inline` format

2.0.2

Fixed handling of UTF-8 characters in `svg_inline`

Fixed package bundle

Fixed a small error in building bundles for pip installation.

PlantUML server support

With this version the diagram rendering can be done using a PlantUML server.
To overcome a Python module name conflict with another library, THE PLUGIN NAME HAS CHANGED FROM plantuml TO plantuml-markdown.
The the tools configuration (markdown, mkdocs, ecc.) MUST be changed accordingly.

Added options to limit image size

• Added width and height attributes
• Fixed navigable links in inline SVG (resolves #18)