test/coverage.sh: fixed bug with multiword arguments
test/core/computation: added tests for exceptions in Computation/plan creation
TODO: updated tasks
test/core/dummy: added mock_dummy_nested()
test/core/computation: added a testcase for same arguments in computation or kernel
core/computation: using format()
core/computation: the check for whether connector is a leaf belongs to TransformationTree
core/computation: checking that connector name is not mentioned in the connections dictionary
core: hid ``name`` attribute of ComputationParameter and TransformationParameter
test/core/transformation: added some tests to cover Computation.connect()
core/computation: more descriptive names in Computation.connect()
core/signature: fixed a typo in __repr__
core/signature: recreating Type in from_val() to get rid of derived classes
core/transformation: added check for io parameters
core/transformation: refactored TransformationTree to allow easier addition of io-merging
test/core/dummy: added a transformation to the nested computation call to check node translation
core: fixed node translation code
test/core/transformation: added test for wrong transformation parameter names
test/core/transformation: fixed test to cover proper code path
core/transformation: removed redundant assertion