Bump docs version to 3.260407

Fix reading nihon koden start date (#907)

Inverse: Use `process_inverse_mem` for plugin `BEst` >= 3.2.0 (#894)

[IO] Load kernel data (#898)

Bugfix: Out raw EDF, error export events when `sFile.prop.times(1) ~=0`

Bugfix: Rounding error on computing `SamplesBounds` for InRaw/OutRaw

Process: `process_export_file.m` use last `ExportData` dir

IO: Rememer last used dir for import/export events

Plugin: Add `bst_plugin('Ensure', PlugName)` method

Plugin: Detect souce-code archives from branch, tag or commit

Plugin: Make valid field name for plugin cached version

GUI: Set plugin logo in progress bar, `bst_progress('setpluginlogo')`

Distrib: Skip check of required functions in process files in compiled

Bugfix: Apply montage on raw files with `prop.times(1) ~= 0`

Plugin: Improve detection of loaded plugins