v0.3.7 disable wotb 0.6.x features

lib/constants.js

 "use strict";
 
 module.exports = {
-  USE_WOTB6: true,
+  USE_WOTB6: false,
   MIN_WILLMEMBERS_UPDATE_FREQ: 180,
   MIN_MEMBERS_UPDATE_FREQ: 180,
 	STEP_COUNT_MIN: 4,

package.json

@@ -13,8 +13,7 @@
     "node-pre-gyp": "^0.6.34",
     "q": "1.5.0",
     "request": "^2.81.0",
-    "request-promise": "4.2.0",
-    "wotb": "^0.6.2",
+    "request-promise": "4.2.0"
   },
   "devDependencies": {
     "duniter": "1.3.14",