* Consistent __repr__ and __str__ methods for all types * add change description * devtools integration and feedback on repr methods * fix Color repr * tests for truncate * add devtools section to docs * tests for devtools * ValidationError inheriting from Representation * fix imports * tweaks * tweak docs * exec_examples.py integration with __repr__ changes
* starting insert prints * working exec_script * remove prints, fix exec_examples.py * more cleanup of examples, better model printing * upgrade netlify runtime * extra docs deps * few more small tweaks