Initial version of new SPA system
Added better debug message when add_to_model fails
Added networks.Array as a more explicit form of EnsembleArray
Converted spa.Memory to use networks.Array
Fixed matrix orientation bug
Convert spa.Thalamus to networks.Array
Cleaned up spa test
Added basic routing rule for spa
Fixed spa routing between vocabularies
Fixed bug in networks.Array nonlinear functions
Added SPA comparison module
Fixed call to parent class in spa.basalgangalia
Fixed spa.thalamus gate naming and sign
Added spa input module
Added new spa routing capabilities
Made Vocabulary.parse('0') return a pointer
Allowed Node to work in a Network
Added spa.route convolution
Added inverted routing to spa convolution
Added spa.Cortical for connecting modules