fixes for mobile errors (#115)

dist/bundle.js

@@ -1974,9 +1974,11 @@ module.exports = v4;
 // and inconsistent support for the `crypto` API.  We do the best we can via
 // feature-detection
 
-// getRandomValues needs to be invoked in a context where "this" is a Crypto implementation.
+// getRandomValues needs to be invoked in a context where "this" is a Crypto
-var getRandomValues = (typeof(crypto) != 'undefined' && crypto.getRandomValues.bind(crypto)) ||
+// implementation. Also, find the complete implementation of crypto on IE11.
-                      (typeof(msCrypto) != 'undefined' && msCrypto.getRandomValues.bind(msCrypto));
+var getRandomValues = (typeof(crypto) != 'undefined' && crypto.getRandomValues && crypto.getRandomValues.bind(crypto)) ||
+                      (typeof(msCrypto) != 'undefined' && typeof window.msCrypto.getRandomValues == 'function' && msCrypto.getRandomValues.bind(msCrypto));
+
 if (getRandomValues) {
   // WHATWG crypto RNG - http://wiki.whatwg.org/wiki/Crypto
   var rnds8 = new Uint8Array(16); // eslint-disable-line no-undef
@@ -2019,14 +2021,15 @@ for (var i = 0; i < 256; ++i) {
 function bytesToUuid(buf, offset) {
   var i = offset || 0;
   var bth = byteToHex;
-  return bth[buf[i++]] + bth[buf[i++]] +
+  // join used to fix memory issue caused by concatenation: https://bugs.chromium.org/p/v8/issues/detail?id=3175#c4
-          bth[buf[i++]] + bth[buf[i++]] + '-' +
+  return ([bth[buf[i++]], bth[buf[i++]], 
-          bth[buf[i++]] + bth[buf[i++]] + '-' +
+	bth[buf[i++]], bth[buf[i++]], '-',
-          bth[buf[i++]] + bth[buf[i++]] + '-' +
+	bth[buf[i++]], bth[buf[i++]], '-',
-          bth[buf[i++]] + bth[buf[i++]] + '-' +
+	bth[buf[i++]], bth[buf[i++]], '-',
-          bth[buf[i++]] + bth[buf[i++]] +
+	bth[buf[i++]], bth[buf[i++]], '-',
-          bth[buf[i++]] + bth[buf[i++]] +
+	bth[buf[i++]], bth[buf[i++]],
-          bth[buf[i++]] + bth[buf[i++]];
+	bth[buf[i++]], bth[buf[i++]],
+	bth[buf[i++]], bth[buf[i++]]]).join('');
 }
 
 module.exports = bytesToUuid;
@@ -2484,6 +2487,10 @@ Lbry.transaction_list = function () {
   var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
   return daemonCallWithResult('transaction_list', params);
 };
+Lbry.utxo_release = function () {
+  var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+  return daemonCallWithResult('utxo_release', params);
+};
 
 Lbry.connectPromise = null;
 Lbry.connect = function () {
@@ -3679,7 +3686,7 @@ var selectCurrentPath = exports.selectCurrentPath = (0, _reselect.createSelector
 });
 
 var computePageFromPath = exports.computePageFromPath = function computePageFromPath(path) {
-  return path.replace(/^\//, '').split('?')[0];
+  return path ? path.replace(/^\//, '').split('?')[0] : 1;
 };
 
 var selectCurrentPage = exports.selectCurrentPage = (0, _reselect.createSelector)(selectCurrentPath, function (path) {

src/lbry.js

@@ -89,6 +89,7 @@ Lbry.claim_tip = (params = {}) => daemonCallWithResult('claim_tip', params);
 
 // transactions
 Lbry.transaction_list = (params = {}) => daemonCallWithResult('transaction_list', params);
+Lbry.utxo_release = (params = {}) => daemonCallWithResult('utxo_release', params);
 
 Lbry.connectPromise = null;
 Lbry.connect = () => {

src/redux/selectors/navigation.js

@@ -5,7 +5,7 @@ export const selectState = state => state.navigation || {};
 
 export const selectCurrentPath = createSelector(selectState, state => state.currentPath);
 
-export const computePageFromPath = path => path.replace(/^\//, '').split('?')[0];
+export const computePageFromPath = path => (path ? path.replace(/^\//, '').split('?')[0] : '');
 
 export const selectCurrentPage = createSelector(selectCurrentPath, path =>
   computePageFromPath(path)