Added support chunked response body

[remittor]

No description provided.

[lgtm-com]

This pull request fixes 5 alerts when merging 0613ba4 into 37e772f - view on LGTM.com

fixed alerts:

• 5 for FIXME comment

[lgtm-com]

This pull request fixes 5 alerts when merging 3341701 into 37e772f - view on LGTM.com

fixed alerts:

• 5 for FIXME comment

[lgtm-com]

This pull request introduces 1 alert and fixes 5 when merging 2319f32 into 37e772f - view on LGTM.com

new alerts:

• 1 for Too few arguments to formatting function

fixed alerts:

• 5 for FIXME comment

[lgtm-com]

This pull request introduces 1 alert and fixes 5 when merging 034648e into 37e772f - view on LGTM.com

new alerts:

• 1 for Too few arguments to formatting function

fixed alerts:

• 5 for FIXME comment

[lgtm-com]

This pull request introduces 1 alert and fixes 5 when merging 572be1a into 37e772f - view on LGTM.com

new alerts:

• 1 for Too few arguments to formatting function

fixed alerts:

• 5 for FIXME comment

[lgtm-com]

This pull request introduces 1 alert and fixes 5 when merging e04cb5d into 37e772f - view on LGTM.com

new alerts:

• 1 for Too few arguments to formatting function

fixed alerts:

• 5 for FIXME comment

[remittor]

I did everything that was meant to be.
For good, all these improvements require automatic tests, but I'm too lazy to do them.

[lgtm-com]

This pull request introduces 1 alert and fixes 5 when merging 95881e9 into 37e772f - view on LGTM.com

new alerts:

• 1 for Too few arguments to formatting function

fixed alerts:

• 5 for FIXME comment

[lgtm-com]

This pull request introduces 1 alert and fixes 5 when merging da2ad7e into 37e772f - view on LGTM.com

new alerts:

• 1 for Too few arguments to formatting function

fixed alerts:

• 5 for FIXME comment

[jamesroberts]

Thanks a lot for all these improvements @remittor! Great work!