merge: pr 16 from nadjiel/development

feat: exporting camera classes from entrypoint

feat: exporting camera classes from entrypoint

test: starting FollowingCamera tests

refac: moving cameras to their own folder

test: fixing argument error on StageElementManager tests

feat: adding type parsed resource getters

feat: adding a StaticCamera subclass

feat: drawing GameObjects based on Camera coords

test: covering Stage loading

fix: fixing resources being used unloaded

test: testing no param Camera construction

feat: adding method to unmount the game from DOM

refac: separating Color and Vector4 classes

test: covering the return type of some methods

feat: implementing some methods in Vector2

feat: adding Camera's bounding box methods

test: covering static game accessor

feat: structuring the Camera class

merge: pr 14 from nadjiel/development

merge: pr 14 from nadjiel/development

merge: pr 14 from nadjiel/development

fix: fixing repeated resource pointers in Scenario

fix: fixing repeated resource pointers in Scenario

feat: adding Scenario Sprite's ImageResource to resource list on spri…

feat: implementing Scenario iteration by Stage

feat: finishing Scenario implementation

feat: partially implementing TileDrawStrategy

feat: starting Scenario implementation

feat: structuring Scenario class