added hash
updated readmy
added save! method for exception raising
updated readme and removed super
very much done
refactored prefix
new version and History updated
Release 0.0.2.4
updated DI component and bumped update version
doc updated
Release 0.0.2.5
yard doc added
travis updated
updated travis cause redis is not necessary
typo fix
preview tests
test only with 1.9.3
Release 0.0.2.6
added versioning support
versioning