Log Message:
gammu: Update to 1.40.0

Changes:
1.40.0
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[+] * Added SMSD configuration option RetryTimeout.
[-] * Removed non configurable sleep after failed message send.
[+] * SMSD now tries to store whole decoded text for concatenated
      messages in the first entry in database.
[-] * Improved compatibility with Sierra SL8084TR.
[+] * Added support for delivery reports stored in SR memory.
[+] * Configure CNMI parameters for AT driver.