-Removed a lot of redundant code and put into a function
+Fixed a bug that permitted to found a new village in already founded
village
+Fixed a bug that permitted to found in an oasis
+Fixed a bug that permitted to hack the time you need to found a new
village
+Fixed a bug that permitted to found a new village to an inexistent one
+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