delete function now checks for previous versions and deletes them as well

lib/boards-api.js

@@ -274,6 +274,21 @@ BoardsAPI.prototype.delete = function (opts, done) {
       for (var item in list) {
         if (list[item].Hash === opts.hash) {
           url = url + list[item].Name
+          this.ipfs.files.cat(url, (err, res) => {
+            // Look for previous versions
+            if (err || opts.previouses.indexOf(opts.hash) >= 0) return
+            replyAsObj(res, true, (err, obj) => {
+              if (!err && obj.previous) {
+                // Delete if found
+                this.delete({
+                  what: opts.what,
+                  hash: obj.previous,
+                  // Check for cyclic depdendency structures
+                  previouses: (opts.previouses || []).concat(opts.hash)
+                })
+              }
+            })
+          })
           return this.ipfs.files.rm(url, {}, err => {
             if (err) return done(err)
             this.ipfs.files.stat('/', (err, res) => {