* fetch batch_no in `get_basic_details`
* PEP8 changes and docstring
* only auto-fetch batch number for Sales documents:
otherwise, automatic batch creation will not work properly because all new
stock will be added to old batch
* new function to fetch batch number using FEFO:
FEFO - First Expiring First Out
* fetch batch number in `get_basic_details` using FEFO
* add new function - `set_batch_number`
* `set_batch_number` when `qty` is triggered
* `set_batch_number` when `uom` is triggered
* whitelist `get_batch_no_fefo`
* code clean up
* move `set_batch_number` to conversion_factor instead of uom
* rename `get_batch_no_fefo` to `get_batch_no`
* fix test case
* final cleanup
* Revert "fetch batch_no in `get_basic_details`"
This reverts commit dd024b1eb369eaeafab28165d523fb7a9f8ab8d3.
* fix test case
* update Sales Invoice manual
* move changes away from `transaction.js`
* query should not fetch expired batches
* refactor `get_batch_no`:
add new function `get_batches`
* Update batch.py
* Account number in chart of accounts
* Include account number while renaming account
* Test case fixed
* Standard coa with and without numbers
* Standard coa with and without numbers
* [enhance] Opening Invoice Tool create Opening Sales/Purchase Invoices
* [minor] added progress bar while creating invoice
* [minor] allow bulk upload for the invoices
* [minor] calculate item rate from net total
* [minor] added defaults for invoices fields, create gl entries only if grand_total is greater than 0
* [minor] check mandatory values before making opening invoices
* [minor] enable primary button if there is any error while creating invoices
* [minor] minor fixes, set company currency as invoice currency added tests
* [dashboard] added Opening Invoice Summery section in Dashboard
* [minor] added total invoices count on dashboard
* [minor] don't show dashboard if there are no opening invoices available
* [minor] added Opening Invoice Tools to Account's Tools section
* [minor] codecy fixes
* [fix] refactored general ledger and buttons on charts
* [fix] tests
* add new settings in Accouts Settings
* patch for new settings
* refactor `get_exchange_rate`
* adds validation
* tests validation
* disables conversion rate field if stale rates not allowed
* more test cases
more test case...
test `get_exchange_rate` behaviour with stale not allowed in sett..
fix currency exchange test case
do housekeeping after running accounts settings test
* clean up
* documentation
* make use of correct api url
* Fix tests failing due to wrong exchange rate from fixer.io
* remove mandatory constraint from `allow_stale`
* added info to documentation
