GET /projects/{project_id}/boards/columns.json
tw.boards.getColumns(project_id, query_string)
POST /projects/{project_id}/boards/columns.json
tw.boards.createColumn(project_id, body)
DELETE /boards/columns/{column_id}.json
tw.boards.deleteColumn(column_id)
POST /boards/columns/{column_id}/cards.json
tw.boards.addTaskToColumn(column_id, body)
GET /boards/columns/{column_id}/cards.json
tw.boards.getCards(column_id, query_string)
PUT /boards/columns/cards/{card_id}/move.json
tw.boards.moveCard(card_id, body)
PUT /boards/columns/cards/{card_id}.json
tw.boards.updateCard(card_id, body)
DELETE /boards/columns/cards/{card_id}.json
tw.boards.deleteCard(card_id)