fix(camelCase)

src/List.js

@@ -78,7 +78,7 @@ export class List {
 List.from = function (obj) {
   const list = new List()
   for (const value of obj) {
-    list.push_back(value)
+    list.pushBack(value)
   }
   return list
 }

src/containers/Sequence.js

@@ -103,19 +103,19 @@ export class SequenceContainer {
     this.erase(this.begin(), this.end())
   }
 
-  push_front(value) {
+  pushFront(value) {
     this.insert(this.begin(), value)
   }
 
-  push_back(value) {
+  pushBack(value) {
     this.insert(this.end(), value)
   }
 
-  pop_front() {
+  popFront() {
     this.erase(this.begin())
   }
 
-  pop_back() {
+  popBack() {
     this.erase(this.end().dec())
   }
 
@@ -166,10 +166,10 @@ SequenceContainer.is = function (obj, ...args) {
     'assign',
     'erase',
     'clear',
-    'push_front',
-    'push_back',
-    'pop_front',
-    'pop_back',
+    'pushFront',
+    'pushBack',
+    'popFront',
+    'popBack',
     Symbol.iterator,
     'toJSON',
     'toString',