Implements basic support for building with .nimble-link'ed packages.

tests/develop/dependent/dependent.nimble

@@ -0,0 +1,12 @@
+# Package
+
+version       = "1.0"
+author        = "Dominik Picheta"
+description   = "dependent"
+license       = "MIT"
+
+srcDir = "src"
+
+# Dependencies
+
+requires "nim >= 0.16.0", "srcdirtest"

tests/develop/dependent/src/dependent.nim

@@ -0,0 +1,3 @@
+import srcdirtest
+
+doAssert foo() == "correct"

tests/develop/srcdirtest/src/srcdirtest.nim

@@ -1 +1,4 @@
+proc foo*(): string =
+  return "correct"
+
 echo("hello")