add AttributeError and use it when trying to set a nonexistent value
add AttributeError and use it when trying to set a nonexistent value
modified to_s and inspect
add @defaults, all set to nil by default
remove merge
add name method, allow initialization with a hash
negative test cases for initialize
negative test case for populate_from_hash
Merge branch 'master' of https://github.com/ksearfos/data_container