refactor: rectifies some test names.
dev: conceals SpecimenBuilder from public API.
dev: introduces ObjectDisposalException.
dev: implements ObjectDisposalAssertion.
refactor: renames DisplayNameVisitor to DisplayNameCollector.
dev: lets TypeMembers support BindingFlags enumeration to select

certain members. To do so, this introduces some optional argumetns
with default values.
dev: adds new extensions methods for selecting members to verify

idiomatic assertion.
dev: lets ObjectDisposalAssertion implement IIdiomaticTypeAssertion.
build: addresses some code-analysis warnings.
build: increment minor version,

to indicate that ObjectDisposalAssertion is a new feature.