+Fixed a bug that permitted to send resourcers to himself
+Fixed a bug that permitted to send resources to invalid villages
+Fixed a bug that permitted to create offerings with 0 resources or
invalid resources type
+Fixed a bug that permitted to accept offerings of other allies
+Fixed a bug that permitted to accept offerings with a too high maxtime
+Fixed a bug that permitted to accept offering from the same village
+Fixed a bug that permitted to accept offering with too few merchants
+Fixed a bug that permitted to accept offerings without the requested
resources
+Fixed a bug that hid offerings with a valid maxtime
+Fixed some bugs relative to errors diplaying
+Added some error
+Some clean-up
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