Spladder

Bugfix / Doc Release

* fixed bug not correctly ordering isoforms in mutex exon events
* fixed bug inverting PSI computation for alt 3'/5' events
* extended and moved documentation onto separate platform

Bugfix release
* changed requirements
* minor cleanups

Bugfix release
* gracefully exit when attempting test of no-event output

Bugfix release.
* fixes mistake in parallel mode, when very large alignment files are used
* fixes parsing of bam-file list in viz mode

This release has the following changes:
* new option `--set-mm-tag` to customize the string for mismatch tags in alignment files for `build` mode
* restore compatibility to read files in `test` mode that were generated with previous SplAdder versions
* improved the internal re-use of quantified files in `test` mode when subsetting is selected

Bugfix release addressing issue 78.