ignore IntelliJ files
ignore logfiles
refactoring load_credentials
adding refresh_authorization

write_credentials now using the authorizations methods not the instance variables, Using the instance variables can cause problems.
using symbols as hash keys
adds method path= to proof if file can be accessed
using the path= method on initialize
adds Constants for Authorization_uri, Token_credentials_uri
extracts authorize
extracts credentials_hash
split storages in own adapter classes, added redis adapter
repair gemspec
repair gemspec
make methods private
adds old FileStorage again to be backward compatible
adds comment
add file_storage to gemspec
adds spec construct for file_store and storage
adds json fixture to test storage
rename file_store
added deprecation warnings to file_storage
include all git added files to prevent inclusion errors
use authorization method instead of variable
remove authorize from initialize
uses new initialize and authorize