Configuration:
- Company Currency: MXN
- Tax 16%.
- Multicurrency, MXN and USD.
- Decimal precision: 4
- Currency Data:
MXN: rate 1.0
USD rates

| Database time | rate | Local time (Mexico) | 
| --- | --- | --- |
| 2016-09-09 00:00:01 | 0.054440 | 2016-09-08 17:00:01 |
| 2016-10-11 00:00:01 | 0.051815 | 2016-10-10 17:00:01 |

Steps to reproduce:

1. Create an invoice for 600 USD  + tax (16%) with date 09/09/16 (September 9, 2016) and when you validate in the journal entry is $12,784.7172 MXN.
3. Create a bank statement in MXN and add a line with date 11/10/16 (October 11, 2016) and amount $13,372.80 MXN.
4. When reconcile select the invoice and there is a difference ($588.0828 MXN) add a line with the difference and select an account for the difference. 
<img width="607" alt="captura de pantalla 2016-11-04 a la s 17 23 26" src="https://cloud.githubusercontent.com/assets/6758279/20025385/749605a2-a2b3-11e6-8b1a-4e9fbf1521ed.png">

**Note that the amount of difference is $588.08 in when you select the account**

5. Click on reconcile.

Expected behavior:
- Reconcile the invoice and create account move.

Current behavior:
- Raise an error  `Wrong credit or debit value in accounting entry !`

![captura de pantalla 2016-11-01 a la s 19 18 52](https://cloud.githubusercontent.com/assets/6758279/19913537/1c272866-a069-11e6-9b06-5851681c7fa5.png)

addons/account/models/account_move.py
is_partner and 'partner_id, partner_name,' or ' ',
                is_partner and 'p.id AS partner_id, p.name AS partner_name,' or ' ',
                is_partner and 'RIGHT JOIN res_partner p ON (l.partner_id = p.id)' or ' ',
                is_partner and ' ' or "AND at.type <> 'payable' AND at.type <> 'receivable'",
                account_type and "AND at.type = %(account_type)s" or '',
                res_ids and 'AND ' + res_alias + '.id in %(res_ids)s' or '',
                self.env.user.company_id.id,
                is_partner and 'AND l.partner_id = p.id' or ' ',
                is_partner and 'l.partner_id, p.id,' or ' ',
                res_alias=res_alias
            ))
        self.env.cr.execute(query, locals())
        
        rows = self.env.cr.dictfetchall()
        ids = [x['account_id'] for x in rows]
        allowed_ids = set(self.env['account.account'].browse(ids).ids)
        rows = [row for row in rows if row['account_id'] in allowed_ids]
        if is_partner:
            ids = [x['partner_id'] for x in rows]
            allowed_ids = set(self.env['res.partner'].browse(ids).ids)
            rows = [row for row in rows if row['partner_id'] in allowed_ids]
        
        for row in rows:
            account = self.env['account.account'].browse(row['account_id'])
            row['currency_id'] = account.currency_id.id or account.company_id.currency_id.id
            partner_id = is_partner and row['partner_id'] or None
            row['reconciliation_proposition'] = self.get_reconciliation_proposition(account.id, partner_id)
        return rows
    @api.model
    def get_reconciliation_proposition(self, account_id, partner_id=False):