Add API docs for events. s/tabs/spaces/ Fixes #2529801

clean up comments to allow API to be constructed without errors

add comments to all recordset submodules

changes to getRecord() - now accepts id or index

recordset-base supports primary indexing by ID - custom indexing can be performed on indexer plugin

refactoring

fix recordset add(), update(), more refactoring

augment recordset with arraylist

recordset update() fix + comments

create update() method on recordset

updated recordset

Extract Recordset.