started changing for loops
advanced for loops
advanced for loops
Merge branch 'devl2' of https://github.com/fredo-dedup/ReverseDiffSource.jl into devl2

Conflicts:
	src/graph_code.jl
	src/proto_test.jl
advanced for loops
improved for loops, not over yet
improved for loops, not done yet
improved for loops,again
for loops, almost there
minor tweaks for for loop
improved assign algo
adapted graph_funcs for 'for' loops, improved code_graph
fixed file/module names
now catches accumulators in for loops
before branching
started to change graphcode.jl
started to change graphcode.jl
further rewritings
add_node still to be updated
finished upgrading to parameterized ExNode