Add capped interface, python interface and test for capped, expire

python/Makefile

@@ -0,0 +1,17 @@
+INPUTS = $(wildcard solidity/*.sol)
+OUTPUTS = $(patsubst %.sol, %.bin, $(INPUTS))
+
+all: outs package
+
+.SUFFIXES: .sol .bin
+
+solidity:
+
+.sol.bin:
+	solc $(basename $@).sol --evm-version=byzantium --bin | awk 'NR>3' > $@
+	truncate -s -1 $@
+
+outs: $(OUTPUTS) 
+
+package:
+	python setup.py sdist