fill CHANGELOG.md, fix README.md, small fix in checkSendData to not throw error

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/send/polls/SendPoll.kt

@@ -14,6 +14,7 @@ import dev.inmo.tgbotapi.types.message.abstracts.TelegramBotAPIMessageDeserializ
 import dev.inmo.tgbotapi.types.message.content.PollContent
 import dev.inmo.tgbotapi.types.message.textsources.TextSourcesList
 import dev.inmo.tgbotapi.types.polls.*
+import dev.inmo.tgbotapi.utils.DefaultKTgBotAPIKSLog
 import korlibs.time.millisecondsLong
 import korlibs.time.seconds
 import kotlinx.serialization.*
@@ -244,7 +245,9 @@ internal fun ScheduledCloseInfo.checkSendData() {
         is ApproximateScheduledCloseInfo -> openDuration.seconds
     }.toInt()
     if (span !in openPeriodPollSecondsLimit) {
-        error("Duration of autoclose for polls must be in range $openPeriodPollSecondsLimit, but was $span")
+        DefaultKTgBotAPIKSLog.w("checkSendData") {
+            "Duration of autoclose for polls must be in range $openPeriodPollSecondsLimit, but was $span"
+        }
     }
 }