Fixed submodules. Fixed some depr warnings. Fixes #77

.gitmodules

@@ -1,4 +1,4 @@
 [submodule "test/yaml-test-suite"]
 	path = test/yaml-test-suite
 	url = https://github.com/yaml/yaml-test-suite.git
-	branch = data
+	branch = data-2020-02-11

yaml/dom.nim

@@ -94,7 +94,7 @@ proc eqImpl(x, y: YamlNode, alreadyVisited: var HashSet[pointer]): bool =
       compare(xValue, matchingValue)
 
 proc `==`*(x, y: YamlNode): bool =
-  var alreadyVisited = initSet[pointer]()
+  var alreadyVisited = initHashSet[pointer]()
   result = eqImpl(x, y, alreadyVisited)
 
 proc `$`*(n: YamlNode): string =
@@ -134,7 +134,7 @@ proc initYamlDoc*(root: YamlNode): YamlDocument = result.root = root
 proc composeNode(s: var YamlStream, tagLib: TagLibrary,
                  c: ConstructionContext):
     YamlNode {.raises: [YamlStreamError, YamlConstructionError].} =
-  template addAnchor(c: ConstructionContext, target: AnchorId): typed =
+  template addAnchor(c: ConstructionContext, target: AnchorId) =
     if target != yAnchorNone:
       when defined(JS):
         {.emit: [c, """.refs.set(""", target, ", ", result, ");"].}
@@ -269,7 +269,7 @@ proc serializeNode(n: YamlNode, c: SerializationContext, a: AnchorStyle,
       serializeNode(value, c, a, tagLib)
     c.put(endMapEvent())
 
-template processAnchoredEvent(target: untyped, c: SerializationContext): typed =
+template processAnchoredEvent(target: untyped, c: SerializationContext) =
   var anchorId: AnchorId
   when defined(JS):
     {.emit: [anchorId, " = ", c, ".refs.get(", target, ");"].}

yaml/hints.nim

@@ -71,7 +71,7 @@ type
     ythAfterTimeSpace, ythAfterTimeZ, ythAfterTimePlusMinus, ythTzHour1,
     ythTzHour2, ythTzHourColon, ythTzMinute1, ythTzMinute2
 
-macro typeHintStateMachine(c: untyped, content: varargs[untyped]): typed =
+macro typeHintStateMachine(c: untyped, content: varargs[untyped]) =
   yAssert content.kind == nnkArgList
   result = newNimNode(nnkCaseStmt, content).add(copyNimNode(c))
   for branch in content.children:
@@ -86,7 +86,7 @@ macro typeHintStateMachine(c: untyped, content: varargs[untyped]): typed =
       inc(i)
     for rule in branch[i].children:
       yAssert rule.kind == nnkInfix
-      yAssert $rule[0].ident == "=>"
+      yAssert rule[0].strVal == "=>"
       var stateBranch = newNimNode(nnkOfBranch, rule)
       case rule[1].kind
       of nnkBracket: