Elbank is now in MELPA.

The format of elbank-data has changed, and is incompatible with previous
versions.

* elbank-common.el (elbank-transaction-elt): Mutate alists when adding a new
  key.
* test/elbank-common-test.el: Add a regression test.

* elbank-boobank.el:
* elbank-common.el:
* elbank-report.el: Add support for custom categories.
* elbank-transaction.el: Handle custom categories when merging transactions.
* test/elbank-boobank-test.el:
* test/elbank-common-test.el: Add tests.
* README.md: Document custom categories.

`elbank-list-transactions' does not belong to elbank-common.el, as it is
specific to the overview buffer, and requires elbank-report.el.

* elbank-common.el (elbank-list-transactions): Remove.
* elbank-overview.el (elbank-overview--list-transactions): New function.

* elbank-common.el (elbank-transaction-category): Add a gv-setter.
* test/elbank-common-test.el: New file.

* elbank-overview.el (elbank-overview--insert-account): Display a
"-" in front of each account.

* elbank-overview.el (elbank-overview--insert-saved-reports-type): Add a text
  property for imenu.

Rename backward-compatibility implementation of seq-map-indexed to
elbank-seq-map-indexed.

* README.md: Explain how to use a password manager to store passwords.

Explain how to properly setup boobank accounts.

* elbank-boobank.el (elbank--new-transaction): When merging new data, only
  deduplicate new transactions before importing them.
* Cask:
* run-tests.sh: Add buttercup to the test suites.
* test/elbank-boobank-test.el: Add regression tests for #1.
* test/elbank-test.el: Delete empty file.

Imenu support for reports

See merge request nico/elbank!3

Budget reports

See merge request nico/elbank!2

* elbank-budget.el: New budget report type.
* elbank-common.el:
* elbank-overview.el: Add budgets to the overview buffer.

* elbank-progressbar.el: New file.

* elbank-report.el:
* elbank-common.el: Extract a base report mode that can be reused for later
  report types (like budgets).

* elbank-overview.el: Fix `elbank-overview-account-at-point' and
`elbank-overview--imenu-extract-index-name-function'.

Add imenu support

See merge request nico/elbank!1