diff --git a/README.md b/README.md
index aeb1b3d13..82c844961 100644
--- a/README.md
+++ b/README.md
@@ -38,10 +38,10 @@ The entire server is done in PHP, and has been tested, profiled and optimized to
 ## Third-party Libraries Used
 * __[PHP Sockets](http://php.net/manual/en/book.sockets.php)__
 * __[PHP SQLite3](http://php.net/manual/en/book.sqlite3.php)__
-* __[cURL](http://curl.haxx.se/)__: cURL is a command line tool for transferring data with URL syntax
-* __[GMP](http://gmplib.org/)__: Arithmetic without limitations
-* __[Zlib](http://www.zlib.net/)__: A Massively Spiffy Yet Delicately Unobtrusive Compression Library
+* __[PHP BCMath](http://php.net/manual/en/book.bc.php)__
 * __[PHP pthreads](https://github.com/krakjoe/pthreads)__ by _[krakjoe](https://github.com/krakjoe)_: Threading for PHP - Share Nothing, Do Everything.
 * __[PHP NBT](https://github.com/TheFrozenFire/PHP-NBT-Decoder-Encoder/blob/master/nbt.class.php)__ by _[TheFrozenFire](https://github.com/TheFrozenFire)_: Class for reading in NBT-format files (modified to handle Little-Endian files).
 * __[Spyc](https://github.com/mustangostang/spyc/blob/master/Spyc.php)__ by _[Vlad Andersen](https://github.com/mustangostang)_: A simple YAML loader/dumper class for PHP.
 * __[ANSICON](https://github.com/adoxa/ansicon)__ by _[Jason Hood](https://github.com/adoxa)_: Process ANSI escape sequences for Windows console programs.
+* __[cURL](http://curl.haxx.se/)__: cURL is a command line tool for transferring data with URL syntax
+* __[Zlib](http://www.zlib.net/)__: A Massively Spiffy Yet Delicately Unobtrusive Compression Library
diff --git a/compile_php.sh b/compile_php.sh
index 84531237e..d73ebf676 100644
--- a/compile_php.sh
+++ b/compile_php.sh
@@ -1,14 +1,12 @@
 #!/bin/bash
-COMPILER_VERSION="0.10"
+COMPILER_VERSION="0.11"
 
 PHP_VERSION="5.4.13"
 ZEND_VM="GOTO"
 
 ZLIB_VERSION="1.2.7"
-GMP_VERSION="5.1.1"
 PTHREADS_VERSION="24cecf484105e0d6972c2767a9501c6a72d48090"
 CURL_VERSION="curl-7_29_0"
-#READLINE_VERSION="6.2"
 
 echo "[PocketMine] PHP installer and compiler for Linux & Mac - by @shoghicp v$COMPILER_VERSION"
 DIR=`pwd`
@@ -53,44 +51,6 @@ cd ..
 rm -r -f ./zlib
 echo " done!"
 
-#Readline
-#echo -n "[Readline] downloading $READLINE_VERSION..."
-#wget ftp://ftp.cwru.edu/pub/bash/readline-$READLINE_VERSION.tar.gz -q -O - | tar -xz >> "$DIR/install.log" 2>&1
-#mv readline-$READLINE_VERSION readline
-#echo -n " checking..."
-#cd readline
-#./configure --prefix="$DIR/install_data/php/ext/readline" \
-#--disable-shared >> "$DIR/install.log" 2>&1
-#echo -n " compiling..."
-#make >> "$DIR/install.log" 2>&1
-#echo -n " installing..."
-#make install >> "$DIR/install.log" 2>&1
-#echo -n " cleaning..."
-#cd ..
-#rm -r -f ./readine
-#echo " done!"
-
-#--with-readline=$DIR/install_data/php/ext/readline
-
-#GMP
-echo -n "[GMP] downloading $GMP_VERSION..."
-wget ftp://ftp.gmplib.org/pub/gmp-$GMP_VERSION/gmp-$GMP_VERSION.tar.bz2 -q -O - | tar -xj >> "$DIR/install.log" 2>&1
-mv gmp-$GMP_VERSION gmp
-echo -n " checking..."
-cd gmp
-./configure --prefix="$DIR/install_data/php/ext/gmp" \
---disable-assembly \
---disable-shared >> "$DIR/install.log" 2>&1
-echo -n " compiling..."
-make >> "$DIR/install.log" 2>&1
-echo -n " installing..."
-make install >> "$DIR/install.log" 2>&1
-echo -n " cleaning..."
-cd ..
-rm -r -f ./gmp
-echo " done!"
-
-
 echo -n "[cURL] downloading $CURL_VERSION..."
 wget https://github.com/bagder/curl/archive/$CURL_VERSION.tar.gz --no-check-certificate -q -O - | tar -zx >> "$DIR/install.log" 2>&1
 mv curl-$CURL_VERSION curl
@@ -139,7 +99,6 @@ rm -f ./configure >> "$DIR/install.log" 2>&1
 --exec-prefix="$DIR/php5" \
 --enable-embedded-mysqli \
 --enable-bcmath \
---with-gmp="$DIR/install_data/php/ext/gmp" \
 --with-curl="$DIR/install_data/php/ext/curl" \
 --with-zlib="$DIR/install_data/php/ext/zlib" \
 --disable-libxml \
diff --git a/src/dependencies.php b/src/dependencies.php
index 9505727af..ad2c48e67 100644
--- a/src/dependencies.php
+++ b/src/dependencies.php
@@ -48,9 +48,7 @@ if(version_compare("5.4.0", PHP_VERSION) > 0){
 
 if(version_compare(CURRENT_PHP_VERSION, PHP_VERSION) > 0){
 	console("[NOTICE] This PocketMine-MP version has not been tested with PHP < ".CURRENT_PHP_VERSION, true, true, 0);
-}/*elseif(version_compare(CURRENT_PHP_VERSION, PHP_VERSION) < 0){
-	console("[NOTICE] This PocketMine-MP version has not been tested with PHP > ".CURRENT_PHP_VERSION, true, true, 0);
-}*/
+}
 
 if(php_sapi_name() !== "cli"){
 	console("[ERROR] You must run PocketMine-MP using the CLI.", true, true, 0);
@@ -82,11 +80,6 @@ if(!extension_loaded("zlib") and @dl((PHP_SHLIB_SUFFIX === "dll" ? "php_":"") .
 	++$errors;
 }
 
-if(!extension_loaded("gmp") and @dl((PHP_SHLIB_SUFFIX === "dll" ? "php_":"") . "gmp." . PHP_SHLIB_SUFFIX) === false){
-	console("[ERROR] Unable to find the GMP extension.", true, true, 0);
-	++$errors;
-}
-
 if($errors > 0){
 	console("[ERROR] Please use the installer provided on the homepage.", true, true, 0);
 	exit(1); //Exit with error
diff --git a/src/utils/Utils.php b/src/utils/Utils.php
index a0f9ab658..c4a0aabc1 100644
--- a/src/utils/Utils.php
+++ b/src/utils/Utils.php
@@ -529,19 +529,45 @@ class Utils extends Thread{
 		return ENDIANNESS === BIG_ENDIAN ? strrev(pack("d", $value)):pack("d", $value);
 	}
 
-	public static function readLong($str){
-		$n = gmp_init(Utils::strToHex($str), 16);
-		if(gmp_testbit($n, "63")){
-			$n = gmp_xor($n, "0xffffffffffffffff"); //flip the bits
-			$n = gmp_neg(gmp_add($n, "1")); // add one and negate
+	public static function readLong($x, $signed = true){
+		$value = "0";
+		if($signed === true){
+			$negative = ((ord($x{0}) & 0x80) === 0x80) ? true:false;
+			if($negative){
+				$x = ~$x;
+			}
+		}else{
+			$negative = false;
 		}
-		return gmp_strval($n);
+
+		for($i = 0; $i < 8; $i += 4){
+			$value = bcmul($value, "4294967296", 0); //4294967296 == 2^32
+			$value = bcadd($value, 0x1000000 * ord($x{$i}) + ((ord($x{$i + 1}) << 16) | (ord($x{$i + 2}) << 8) | ord($x{$i + 3})), 0);
+		}
+		return ($negative === true ? "-".$value:$value);
 	}
 
 	public static function writeLong($value){
-		$long = gmp_init($value, 10);
-		$long = gmp_and($long, "0xffffffffffffffff");
-		return Utils::hexToStr(str_pad(gmp_strval($long, -16), 16, "00", STR_PAD_LEFT));
+		$x = "";
+		if($value{0} === "-"){
+			$negative = true;
+			$value = bcadd($value, "1");
+			if($value{0} === "-"){
+				$value = substr($value, 1);
+			}
+		}else{
+			$negative = false;
+		}
+		while(bccomp($value, '0', 0) > 0){
+			$temp = bcmod($value, "16777216");
+			$x = chr($temp >> 16) . chr($temp >> 8) . chr($temp) . $x;
+			$value = bcdiv($value, "16777216", 0);
+		}
+		$x = str_pad(substr($x, 0, 8), 8, "\x00", STR_PAD_LEFT);
+		if($negative === true){
+			$x = ~$x; 
+		}
+		return $x;
 	}
 
 	public static function readLLong($str){