6.2.2

• [Gutenberg] Fixed custom Group rendering when having a nested Group
• [Gutenberg] Added custom Table rendering for merging feature using [colspan x] and [rowspan x].
  If a cell contains [rowspan 5], it will merge 5 rows including that cell. Make sure 4 rows below it is empty so it will be removed.
• [Widget] Added custom icon field to Social wide.
• [Other] Added new helper function px_var_dump() that also dump class methods when passed a class.