Add Python 3 modules, and more Python 2 modules.

Also, sort names alphabetically and add module docstrings.

python3/time.py

@@ -0,0 +1,48 @@
+"""Stub file for the 'time' module."""
+# This is an autogenerated file. It serves as a starting point
+# for a more percise manual annotation of this module.
+# Feel free to edit the source below, but remove this header when you do.
+
+def asctime(*args, **kwargs) -> unicode: pass
+
+def clock() -> float: pass
+
+def clock_getres(a: int) -> float:
+    raise IOError()
+
+def clock_gettime(a: int) -> float:
+    raise IOError()
+
+def clock_settime(a: int, b) -> NoneType:
+    raise IOError()
+
+def ctime(*args, **kwargs) -> unicode: pass
+
+def get_clock_info(a: str) -> object:
+    raise ValueError()
+
+def gmtime(*args, **kwargs) -> tuple:
+    raise OSError()
+
+def localtime(*args, **kwargs) -> tuple: pass
+
+def mktime(*args, **kwargs) -> float:
+    raise OverflowError()
+
+def monotonic() -> float: pass
+
+def perf_counter() -> float: pass
+
+def process_time() -> float: pass
+
+def sleep(a: float) -> NoneType:
+    raise ValueError()
+
+def strftime(a: str, *args, **kwargs) -> unicode:
+    raise MemoryError()
+
+def strptime(*args, **kwargs) -> object: pass
+
+def time() -> float: pass
+
+def tzset() -> NoneType: pass