Add new acceptance test illustrating need for fn call ordering

examples/acceptance_tests/100/aiken.lock

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+# This file was generated by Aiken
+# You typically do not need to edit this file
+
+requirements = []
+packages = []
+
+[etags]

examples/acceptance_tests/100/aiken.toml

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+name = "aiken-lang/acceptance_test_100"
+version = "0.0.0"
+license = "Apache-2.0"
+description = "Aiken contracts for project 'aiken-lang/100'"
+
+[repository]
+user = "aiken-lang"
+project = "100"
+platform = "github"

examples/acceptance_tests/100/lib/foo.ak

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+pub fn list(fuzzer: Option<a>) -> Option<List<a>> {
+  inner(fuzzer, [])
+}
+
+fn inner(fuzzer, xs) -> Option<List<b>> {
+  when fuzzer is {
+    None -> Some(xs)
+    Some(x) -> Some([x, ..xs])
+  }
+}
+
+test foo() {
+  list(None) == Some([])
+}