Updated Standard Library Coverage (markdown)

Standard-Library-Coverage.md

@@ -78,7 +78,7 @@
 | [fileinput](https://docs.python.org/3/library/fileinput.html#module-fileinput) |  Loop over standard input or a list of files. | ? | 
 | [fnmatch](https://docs.python.org/3/library/fnmatch.html#module-fnmatch) |  Unix shell style filename pattern matching. | ✅ | [micropython-lib](https://github.com/micropython/micropython-lib/tree/master/python-stdlib/fnmatch)
 | [formatter](https://docs.python.org/3/library/formatter.html#module-formatter) | Deprecated: Generic output formatter and device interface. | ? | 
-| [fractions](https://docs.python.org/3/library/fractions.html#module-fractions) |  Rational numbers. | ? | 
+| [fractions](https://docs.python.org/3/library/fractions.html#module-fractions) |  Rational numbers. | ? | See WIP [micropython-fractions](https://github.com/mattytrentini/micropython-fractions)
 | [ftplib](https://docs.python.org/3/library/ftplib.html#module-ftplib) |  FTP protocol client (requires sockets). | ? | 
 | [functools](https://docs.python.org/3/library/functools.html#module-functools) |  Higher-order functions and operations on callable objects. | ✅ | [micropython-lib](https://github.com/micropython/micropython-lib/tree/master/python-stdlib/functools)
 | [gc](https://docs.python.org/3/library/gc.html#module-gc) |  Interface to the cycle-detecting garbage collector. | ✅ | [built-in](https://docs.micropython.org/en/latest/library/gc.html)
@@ -145,7 +145,7 @@
 | [os.path](https://docs.python.org/3/library/os.path.html#module-os.path) |  Operations on pathnames. | ✅ | [micropython-lib](https://github.com/micropython/micropython-lib/tree/master/python-stdlib/os.path)
 | [parser](https://docs.python.org/3/library/parser.html#module-parser) |  Access parse trees for Python source code. | ? | 
 | [pathlib](https://docs.python.org/3/library/pathlib.html#module-pathlib) |  Object-oriented filesystem paths | ? | 
-| [pdb](https://docs.python.org/3/library/pdb.html#module-pdb) |  The Python debugger for interactive interpreters. | ? | 
+| [pdb](https://docs.python.org/3/library/pdb.html#module-pdb) |  The Python debugger for interactive interpreters. | ? | See WIP micropython-lib PR #[499](https://github.com/micropython/micropython-lib/pull/499)
 | [pickle](https://docs.python.org/3/library/pickle.html#module-pickle) |  Convert Python objects to streams of bytes and back. | ✅ | [micropython-lib](https://github.com/micropython/micropython-lib/tree/master/python-stdlib/pickle)
 | [pickletools](https://docs.python.org/3/library/pickletools.html#module-pickletools) |  Contains extensive comments about the pickle protocols and pickle-machine opcodes, as well as some useful functions. | ? | 
 | [pkgutil](https://docs.python.org/3/library/pkgutil.html#module-pkgutil) |  Utilities for the import system. | ✅ | [micropython-lib](https://github.com/micropython/micropython-lib/tree/master/python-stdlib/pkgutil)