restored TypeDescriptor getElementType, getMapKeyType, and getMapValueType compatibility; StringToCollection and Array Converters are now conditional and check targetElementType if present; TypeDesciptor#isAssignable no longer bothers with element type and map key/value types in checking assignability for consistency elsewhere; improved javadoc

Issue: SPR-8317

Issue: SPR-8317

added check for existing configuration of generated keys before calling update with a KeyHolder. (SPR-7564)

[SPR-8240][SPR-8401] Documenting @Configuration class and @ActiveProfiles support in the TestContext framework.

Added batchUpdate method taking a Collection, a batch size and a ParameterizedPreparedStatementSetter as arguments (SPR-6334)

catch ConversionFailedException and fallback to default container conversion logic rather than propogate exception

Issue: SPR-8399

[SPR-7326] MergedContextConfiguration now ensures that it holds non-null arrays with proper semantics for TestContext's cache key generation.