Update README.md

Corrected info on correctly disabling the Default Instance.
Merge pull request #54 from bluefish6/patch-1

Update README.md
Formatting fix
Merge branch 'l10n' of github.com:jchristopher/attachments
Removed debug
Facilitates the ability to utilize a null $query when searching so as to generalize your search across all posts for all Attachments; props @leoloso - fixes #49
Added the ability to define a filetype parameter when searching; props @leoloso — fixes #50
Updated docs
Markup fix
Fixed a regression that prevented the type method from returning
Update README.md

Fixed a syntax error
polish translation, now works
now translations works