AwsFrame.isEmpty() is not effective

See #96, release log:

• a6b7191 by @yegor256: #96 typo
• 551df77 by @yegor256: #96 xcop
• ecc7c11 by @yegor256: #96 old files
• edcc840 by @yegor256: #96 jcabi 1.24
• 811b5a8 by @yegor256: #96 fixed
• 0d0168b by @yegor256: Merge pull request #94 from va...
• 9bb5861 by @valery1707: Update URL for Javadoc badge's...
• 2877cca by @yegor256: jpeek
• b771b30 by @sandordargo: refactor: DRY GetItemRequest c...
• 79f82a3 by @sandordargo: bugfix: Remove instance of ope...
• b8848cc by @yegor256: TEAM.md removed
• b375723 by @yegor256: zerocracy badge
• 9d5044c by @yegor256: zerocracy badge
• 5ced326: updated merge/commanders list
• 8602052: TEAM.md page updated
• 8c117f4 by @yegor256: 0pdd config update, notificati...
• be3106d by @yegor256: 0pdd config update
• 7110ab1 by @yegor256: Up to 2017, Happy New Year!
• 111cd7d by @yegor256: ping
• 7bc11b8 by @yegor256: pdd fix
• and 8 more...

Released by Rultor 1.67, see build log