Nested: Optimize in-python conversion from ndarrays
Nested: Optimize in-python ndarray to Nested conversion
Nested: Make make_nested accept arguments of different types
Merge branch 'exact' of github.com:otherlab/core into exact
Partial merge of exact into master
Bezier: Change crash to assertion failure
from_python: Fix const T& specialize to avoid specific knowledge of Object

This is necessary for gui purposes, where a similar exclusion is
necessary for QObject-derived classes.
Merge branch 'master' into exact
ArrayPlusScalar: Be more const flexible
exact/circle_predicates: Fix gcc 4.8 compile
Vector: Add begin/end/sorted for Vector<T,0> and Vector<T,1>
vector/__init__.py: Make angle work for complex again
solver/quadratic.h: Add a quadratic formula
ArrayPlusScalar: Be more const flexible
Vector: Add begin/end/sorted for Vector<T,0> and Vector<T,1>
vector/__init__.py: Make angle work for complex again
solver/quadratic.h: Add a quadratic formula
utility/debug.cpp: Format
utility/debug.h: Work around gcc 4.8 segfault
fix core svg parsing and unit testing