ready to twitter4s 2.0.0
pass compile but only passed.
rename HelpMethods to HelpResources
change expect values to pass test.
add test to getTermsOfService and getPrivacyPolicy
add build twitter4s method to Twitter object.
change HelpResource API mixins at Twitter object.
add help api implement trait.
rename resource api implement trait.
HelpResources API implements to ResourcesImpl trait and mixin to Twitter object.
remove test method definitions.
create implicit conversion method to trait. and mixin to defferent level package.
remove LegalResource and merge method to HelpResources.
implements legal resources method to HelpResourcesImpl trait.
remove test method spec.
remove LegalMethods Test
change method comment to api 1.1
add header comment to HelpResourceImpl.
comment out from getRateLimitStatus method at AccountMethods API trait.
add getRateLimitStatus method to HelpResources and implement method to HelpResourcesImpl.