Initial commit: gem structure
Added the spec folder and tests for .get and .set
added specs for .present? / .exists?
changed .exists? to check whether a key has been defined in the local variable storage (just like request_store does)
default .rspec with format = documentation
made GlobalStore configurableÐ, more tests
updated README
Merge branch 'master' of github.com:yurivm/global_store

Conflicts:
	.gitignore