diff --git a/src/cpp/ripple/main.cpp b/src/cpp/ripple/main.cpp
index 4faab81028..3b57ced1f9 100644
--- a/src/cpp/ripple/main.cpp
+++ b/src/cpp/ripple/main.cpp
@@ -68,6 +68,7 @@ void printHelp(const po::options_description& desc)
 	cerr << "Commands: " << endl;
 	cerr << "     account_domain_set <seed> <paying_account> [<domain>]" << endl;
 	cerr << "     account_email_set <seed> <paying_account> [<email_address>]" << endl;
+	cerr << "     account_tx <account>|<nickname>|<account_public_key> <ledger>|(<minledger> <maxledger>)" << endl;
 	cerr << "     account_lines <account>|<nickname>|<account_public_key> [<index>]" << endl;
 	cerr << "     account_offers <account>|<nickname>|<account_public_key> [<index>]" << endl;
 	cerr << "     account_info <account>|<nickname>" << endl;
diff --git a/src/js/account.js b/src/js/account.js
index 93347682a0..59eb95c911 100644
--- a/src/js/account.js
+++ b/src/js/account.js
@@ -29,22 +29,22 @@ var Account = function (remote, account) {
 
   this.on('newListener', function (type, listener) {
     if (Account.subscribe_events.indexOf(type) !== -1) {
-      if (!this._subs && 'open' === this._remote._online_state) {
-        this._remote.request_subscribe()
-          .accounts(this._account_id)
+      if (!self._subs && 'open' === self._remote._online_state) {
+        self._remote.request_subscribe()
+          .accounts(self._account_id)
           .request();
       }
-      this._subs  += 1;
+      self._subs  += 1;
     }
   });
 
   this.on('removeListener', function (type, listener) {
     if (Account.subscribe_events.indexOf(type) !== -1) {
-      this._subs  -= 1;
+      self._subs  -= 1;
 
-      if (!this._subs && 'open' === this._remote._online_state) {
-        this._remote.request_unsubscribe()
-          .accounts(this._account_id)
+      if (!self._subs && 'open' === self._remote._online_state) {
+        self._remote.request_unsubscribe()
+          .accounts(self._account_id)
           .request();
       }
     }
@@ -52,8 +52,8 @@ var Account = function (remote, account) {
 
   this._remote.on('connect', function () {
     if (self._subs) {
-      this._remote.request_subscribe()
-        .accounts(this._account_id)
+      self._remote.request_subscribe()
+        .accounts(self._account_id)
         .request();
     }
   });
diff --git a/src/js/amount.js b/src/js/amount.js
index bbaea1bbc5..a242d82474 100644
--- a/src/js/amount.js
+++ b/src/js/amount.js
@@ -111,7 +111,17 @@ Amount.prototype.add = function (v) {
     result._is_negative = s.compareTo(BigInteger.ZERO) < 0;
     result._value       = result._is_negative ? s.negate() : s;
   }
-  else {
+  else if (v.is_zero()) {
+    result              = this; 
+  }
+  else if (this.is_zero()) {
+    result              = v.clone();
+    // YYY Why are these cloned? We never modify them.
+    result._currency    = this._currency.clone();
+    result._issuer      = this._issuer.clone();
+  }
+  else
+  {
     var v1  = this._is_negative ? this._value.negate() : this._value;
     var o1  = this._offset;
     var v2  = v._is_negative ? v._value.negate() : v._value;
@@ -418,6 +428,10 @@ Amount.prototype.is_negative = function () {
           : false;                          // NaN is not negative
 };
 
+Amount.prototype.is_positive = function () {
+  return !this.is_zero() && !this.is_negative();
+};
+
 // Only checks the value. Not the currency and issuer.
 Amount.prototype.is_valid = function () {
   return this._value instanceof BigInteger;
@@ -695,6 +709,7 @@ Amount.prototype.set_currency = function (c) {
   {
     c.copyTo(this._currency);
   }
+  this._is_native = this._currency.is_native();
 
   return this;
 };
diff --git a/src/js/uint.js b/src/js/uint.js
index c02d8b27ca..d95ccb51fa 100644
--- a/src/js/uint.js
+++ b/src/js/uint.js
@@ -20,8 +20,8 @@ var UInt = function () {
   this._value  = NaN;
 };
 
-UInt.json_rewrite = function (j) {
-  return this.from_json(j).to_json();
+UInt.json_rewrite = function (j, opts) {
+  return this.from_json(j).to_json(opts);
 };
 
 // Return a new UInt from j.
diff --git a/src/js/uint160.js b/src/js/uint160.js
index ee17524dc6..12c7ff04c6 100644
--- a/src/js/uint160.js
+++ b/src/js/uint160.js
@@ -59,8 +59,8 @@ UInt160.prototype.to_json = function (opts) {
 
   var output = Base.encode_check(Base.VER_ACCOUNT_ID, this.to_bytes());
 
-  if (config.gateways && output in config.gateways && !opts.no_gateway)
-    output = config.gateways[output];
+  if (opts.gateways && output in opts.gateways)
+    output = opts.gateways[output];
    
   return output;
 };