Handle ULong -> UInt conversions, update api to reflect stream_chacha20_ietf takes UInt for initial counter

multiplatform-crypto-libsodium-bindings/src/jsMain/kotlin/com/ionspin/kotlin/crypto/pwhash/PasswordHash.kt

@@ -22,6 +22,9 @@ actual object PasswordHash {
         memLimit: Int,
         algorithm: Int
     ): UByteArray {
+        if (opsLimit > UInt.MAX_VALUE) {
+            throw RuntimeException("Javascript doesnt support more than ${UInt.MAX_VALUE} for opslimit")
+        }
         return getSodium().crypto_pwhash(
             outputLength,
             password.encodeToUByteArray().toUInt8Array(),
@@ -43,6 +46,9 @@ actual object PasswordHash {
      * The function returns 0 on success and -1 if it didn't complete successfully.
      */
     actual fun str(password: String, opslimit: ULong, memlimit: Int): UByteArray {
+        if (opslimit > UInt.MAX_VALUE) {
+            throw RuntimeException("Javascript doesnt support more than ${UInt.MAX_VALUE} for opslimit")
+        }
         return getSodium().crypto_pwhash_str(
             password.encodeToUByteArray().toUInt8Array(),
             opslimit.toInt(), // TODO check this narrowing
@@ -61,6 +67,9 @@ actual object PasswordHash {
         opslimit: ULong,
         memlimit: Int
     ): Int {
+        if (opslimit > UInt.MAX_VALUE) {
+            throw RuntimeException("Javascript doesnt support more than ${UInt.MAX_VALUE} for opslimit")
+        }
         return if (
             getSodium().crypto_pwhash_str_needs_rehash(
                 passwordHash.asByteArray().decodeToString(),

multiplatform-crypto-libsodium-bindings/src/jsMain/kotlin/com/ionspin/kotlin/crypto/stream/Stream.kt

@@ -29,10 +29,9 @@ actual object Stream {
     actual fun chacha20IetfXorIc(
         message: UByteArray,
         nonce: UByteArray,
-        initialCounter: ULong,
+        initialCounter: UInt,
         key: UByteArray
     ): UByteArray {
-
         val result = getSodium().crypto_stream_chacha20_ietf_xor_ic(
             message.toUInt8Array(),
             nonce.toUInt8Array(),
@@ -69,6 +68,9 @@ actual object Stream {
         initialCounter: ULong,
         key: UByteArray
     ): UByteArray {
+        if (initialCounter > UInt.MAX_VALUE) {
+            throw RuntimeException("Javascript doesnt support more than ${UInt.MAX_VALUE} for initial counter")
+        }
         val result = getSodium().crypto_stream_chacha20_xor_ic(
             message.toUInt8Array(),
             nonce.toUInt8Array(),