2.0.4

Fix | adding table alignment without content causes crash #265
Fix | format commands in command palette don't work
Fix | page-break doesn't work
Fix | shortcut Ctrl+ for increase font size doesn't work
Fix | inline math rendering can throw an exception in some scenarios
Fix | hitting Enter one the last empty row in table throws an error
Fix | tab character is not handled correctly
Fix | spellchecker can throw an exception in some rare cases
Fix | writing < and a space after it throws an error