Fixed formatting

v4.0.1

Update ip2proxy.go

Fixed wrong IPv6 conversion

v4.0.0

Fixed wrong IPv6 number conversion

Fixed EOF error

v3.4.1

Fixed EOF error

Reduced file I/O

v3.4.0

Reduced file I/O

Updated go.mod

Merge pull request #2 from un000/patch-1

Fix go modules

Added support for IP2Proxy Web Service

v3.3.1

Remove else block

Added provider field and exception handling for incorrect BIN database.

v3.2.0

Added provider field and exception handling for incorrect BIN database.

Modified DB reader interface

v3.1.0

Modified DB reader interface

Added support for threats (PX9) & residential proxies (PX10)

v3.0.0

Update version

Added support for concurrent calls

v2.3.0

Added support for concurrent calls