Improve arrays and record passing scheme (#76)

examples/ipfs-node/build.sh

@@ -1,14 +1,20 @@
 #!/bin/sh
 
 # This script builds all subprojects and puts all created Wasm modules in one dir
-cd effector
-cargo update
-fce build --release
-cd ../pure
-cargo update
-fce build --release
+(
+  cd effector || exit;
+  cargo update --aggressive;
+  fce build --release;
+)
+
+(
+  cd pure || exit;
+  cargo update --aggressive;
+  fce build --release;
+)
+
+rm artifacts/* || true
+mkdir -p artifacts
 
-cd ..
-rm artifacts/*
 cp ../../target/wasm32-wasi/release/ipfs_effector.wasm artifacts/
 cp ../../target/wasm32-wasi/release/ipfs_pure.wasm artifacts/