`choosenim update stable` fails, `nimble install choosenim` fails
here on windows 10:
```
$ choosenim update stable
   Updating stable
Downloading Nim 1.0.6 from nim-lang.org
choosenim.nim(206)       choosenim
choosenim.nim(183)       performAction
choosenim.nim(153)       update
choosenim.nim(34)        installVersion
download.nim(250)        download
download.nim(244)        downloadImpl
download.nim(192)        downloadFile
download.nim(177)        downloadFileNim
httpclient.nim(1302)     downloadFile
httpclient.nim(985)      parseBody
httpclient.nim(920)      recvFull
httpclient.nim(892)      reportProgress
download.nim(173)        onProgressChanged
terminal.nim(800)        showBar
terminal.nim(425)        eraseLine
oserr.nim(110)           raiseOSError
Error: unhandled exception: The handle is invalid.
 [OSError]
```


also tried `nimble install choosenim` /cc @genotrance 
```
$ nimble install choosenim
    Prompt: choosenim not found in any local packages.json, check internet for updated packages? [y/N]
y
    Answer: Downloading Official package list
    Success Package list downloaded.
Downloading https://github.com/dom96/choosenim using git
  Verifying dependencies for choosenim@0.5.1
 Installing nimble@#5bb795a
Downloading https://github.com/nim-lang/nimble using git
  Verifying dependencies for nimble@#5bb795a
 Installing nimble@#5bb795a
   Building nimble/nimble.exe using c backend
   Success: nimble installed successfully.
 Installing nimarchive@>= 0.3.4
Downloading https://github.com/genotrance/nimarchive using git
       Tip: 35 messages have been suppressed, use --verbose to show them.
     Error: Could not read package info file in C:\Users\timothee\AppData\Local\Temp\nimble_8804\githubcom_genotrancenimarchive_0.3.4\nimarchive.nimble;
        ...   Reading as ini file failed with:
        ...     Invalid section: .
        ...   Evaluating as NimScript file failed with:
        ...     C:\Users\timothee\AppData\Local\Temp\nimble_8804\githubcom_genotrancenimarchive_0.3.4\nimarchive_8804.nims(8, 15) template/generic instantiation from here
        ... C:\Users\timothee\AppData\Local\Temp\nimble_8804\githubcom_genotrancenimarchive_0.3.4\nimarchive_8804.nims(23, 18) Error: cannot open file: nimterop/docs
        ...     import nimterop/docs
        ...                    ^
        ... No stack traceback available
        ... To create a stacktrace, rerun compilation with ./koch temp e <file>
        ... printPkgInfo() failed.
```

also tried:
```
cd Nim

$ choosenim .
   Switched to Nim (C:\Users\timothee\git_clone\Nim)

$ bin/nimble install choosenim
Downloading https://github.com/dom96/choosenim using git
  Verifying dependencies for choosenim@0.5.1
      Info: Dependency on nimble@#5bb795a already satisfied
       Tip: 19 messages have been suppressed, use --verbose to show them.
     Error: Could not read package info file in C:\Users\timothee\.nimble\pkgs\nimble-#5bb795a\nimble.nimble;
        ...   Reading as ini file failed with:
        ...     Invalid section: .
        ...   Evaluating as NimScript file failed with:
        ...     C:\Users\timothee\git_clone\Nim\lib\pure\collections\tableimpl.nim(121, 23) Error: undeclared field: 'first' .
```

$ nimble -v
nimble v0.11.0 compiled at 2020-02-13 03:02:44
git hash: 5bb795a364a431f897c3864186dbe1aa138c85b9

$ choosenim -v
choosenim v0.3.2 (2018-02-27 20:19:49) [windows/i386]


$ nim -v
Nim Compiler Version 1.1.1 [Windows: amd64]
Compiled at 2020-02-12
Copyright (c) 2006-2019 by Andreas Rumpf

git hash: 1e303100f8ca32e60b154bf997a9102f36eb23d0
active boot switches: -d:release

```
$ choosenim update self
   Updating choosenim
choosenim.nim(206)       choosenim
choosenim.nim(183)       performAction
choosenim.nim(132)       update
choosenim.nim(107)       updateSelf
download.nim(192)        downloadFile
download.nim(177)        downloadFileNim
httpclient.nim(1302)     downloadFile
httpclient.nim(976)      parseBody
httpclient.nim(952)      parseChunks
httpclient.nim(920)      recvFull
httpclient.nim(892)      reportProgress
download.nim(171)        onProgressChanged
terminal.nim(800)        showIndeterminateBar
terminal.nim(425)        eraseLine
oserr.nim(110)           raiseOSError
Error: unhandled exception: The handle is invalid.
 [OSError]
```