- Support for C++ wrapping

- Fix module naming
- Remove file caching
- Fix bug that was deleting .nim file
- Add test case

tests/nimgentest.nims

@@ -0,0 +1,8 @@
+import ospaths
+import strutils
+
+for comp in @["nimbass", "nimfuzz", "nimssl"]:
+    cd(".."/comp)
+    exec "nimble install -y"
+    exec "nimble test"
+    cd(".."/"nimgen")