Release v1.1.4

New: setTimeout, setInterval supported to pass parameters
New: Multi-context to thread safety support
New: delete keyword to delete property is available
New: Add typeof keyword
New: removeOwnProperty method added into root prototype object
New: Add performance test cases
New: Math.cos and Math.tan added
Fixed: Priority to boolean operator(&& ||)
Fixed: for...in statement support to declare local variables
Changed: Combine Reset and ResetContext method to SRM
Changed: Rename srm.DeleteGlobalVariable to srm.RemoveGlobalVariable
Changed: Replace SRM to ScriptContext in NativeFunctionObject invoking