panics and errors when running batch-* examples

[przmv]

$ go run batch-asn/main.go 
doing lookup #0
panic: interface conversion: interface {} is *interface {}, not *ipinfo.ASNDetails

goroutine 1 [running]:
github.com/ipinfo/go/v2/ipinfo.(*Client).GetASNDetailsBatch(0x6efba0, {0xc0000621e0, 0x696c48, 0x11}, {0x127ed0, 0x1, 0x1, 0x70})
        /home/petr/go/pkg/mod/github.com/ipinfo/go/[email protected]/ipinfo/batch.go:325 +0x170
main.main()
        /home/petr/go/pkg/mod/github.com/ipinfo/go/[email protected]/example/batch-asn/main.go:21 +0x1e5
exit status 2

$ go run batch-core-netip/main.go 
doing lookup #0
panic: interface conversion: interface {} is *interface {}, not *ipinfo.Core

goroutine 1 [running]:
github.com/ipinfo/go/v2/ipinfo.(*Client).GetIPStrInfoBatch(0xc0000b2470, {0xc0000d41c0, 0x0, 0x4b1500}, {0x10, 0xc, 0x1, 0x70})
        /home/petr/go/pkg/mod/github.com/ipinfo/go/[email protected]/ipinfo/batch.go:294 +0x170
github.com/ipinfo/go/v2/ipinfo.(*Client).GetIPInfoBatch(0x69476b, {0xc0000d1ee0, 0x2, 0x11}, {0xd1ea0, 0x1, 0x1, 0xa0})
        /home/petr/go/pkg/mod/github.com/ipinfo/go/[email protected]/ipinfo/batch.go:266 +0xa5
main.main()
        /home/petr/go/pkg/mod/github.com/ipinfo/go/[email protected]/example/batch-core-netip/main.go:22 +0x257
exit status 2

$ go run batch-core-str/main.go 
doing lookup #0
panic: interface conversion: interface {} is *interface {}, not *ipinfo.Core

goroutine 1 [running]:
github.com/ipinfo/go/v2/ipinfo.(*Client).GetIPStrInfoBatch(0x6efb80, {0xc0000621e0, 0x696c2c, 0x11}, {0x127ed0, 0x1, 0x1, 0x70})
        /home/petr/go/pkg/mod/github.com/ipinfo/go/[email protected]/ipinfo/batch.go:294 +0x170
main.main()
        /home/petr/go/pkg/mod/github.com/ipinfo/go/[email protected]/example/batch-core-str/main.go:21 +0x1e5
exit status 2

$ go run batch-generic/main.go 
doing lookup #0
k=error v=0xc0004ce060

doing lookup #1
k=error v=0xc0004ce1a0

doing lookup #2
k=error v=0xc000091700

[UmanShahzad]

The batch endpoint always requires a token, so these all require the TOKEN environment variable to be set. Then they don't crash.