diff --git a/README.md b/README.md
index 89c61472f..424269c3e 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,8 @@
 # Tendermint
-Simple, Secure, Scalable Blockchain Platform
+
+[Byzantine-Fault Tolerant](https://en.wikipedia.org/wiki/Byzantine_fault_tolerance)
+[State Machine Replication](https://en.wikipedia.org/wiki/State_machine_replication). 
+Or [Blockchain](https://en.wikipedia.org/wiki/Blockchain_(database)) for short.
 
 [![version](https://img.shields.io/github/tag/tendermint/tendermint.svg)](https://github.com/tendermint/tendermint/releases/latest)
 [![API Reference](
@@ -16,26 +19,29 @@ master    | [![CircleCI](https://circleci.com/gh/tendermint/tendermint/tree/mast
 _NOTE: This is yet pre-alpha non-production-quality software._
 
 Tendermint Core is Byzantine Fault Tolerant (BFT) middleware that takes a state transition machine, written in any programming language,
-and replicates it on many machines.
-See the [application developers guide](https://github.com/tendermint/tendermint/wiki/Application-Developers) to get started.
+and securely replicates it on many machines.
+
+For more background, see the [introduction](https://tendermint.com/intro).
+
+To get started developing applications, see the [application developers guide](https://tendermint.com/docs/guides/app-development).
+
+## Install
+
+`go get -u github.com/tendermint/tendermint/cmd/tendermint`
+
+For more details (or if it fails), see the [install guide](https://tendermint.com/intro/getting-started/install).
 
 ## Contributing
 
-Yay open source! Please see our [contributing guidelines](https://github.com/tendermint/tendermint/wiki/Contributing).
+Yay open source! Please see our [contributing guidelines](https://tendermint.com/guides/contributing).
 
 ## Resources
 
 ### Tendermint Core
 
-- [Introduction](https://github.com/tendermint/tendermint/wiki/Introduction)
-- [Validators](https://github.com/tendermint/tendermint/wiki/Validators)
-- [Byzantine Consensus Algorithm](https://github.com/tendermint/tendermint/wiki/Byzantine-Consensus-Algorithm)
-- [Block Structure](https://github.com/tendermint/tendermint/wiki/Block-Structure)
-- [RPC](https://github.com/tendermint/tendermint/wiki/RPC)
-- [Genesis](https://github.com/tendermint/tendermint/wiki/Genesis)
-- [Configuration](https://github.com/tendermint/tendermint/wiki/Configuration)
-- [Light Client Protocol](https://github.com/tendermint/tendermint/wiki/Light-Client-Protocol)
-- [Roadmap for V2](https://github.com/tendermint/tendermint/wiki/Roadmap-for-V2)
+- [Introduction](https://tendermint.com/intro)
+- [Docs](https://tendermint.com/docs)
+- [Software using Tendermint](https://tendermint.com/ecosystem)
 
 ### Sub-projects
 
@@ -45,8 +51,15 @@ Yay open source! Please see our [contributing guidelines](https://github.com/ten
 * [Go-P2P](http://github.com/tendermint/go-p2p)
 * [Go-Merkle](http://github.com/tendermint/go-merkle)
 
-## Install
+### Applications
 
-`go get -u github.com/tendermint/tendermint/cmd/tendermint`
+* [Ethermint](http://github.com/tendermint/ethermint)
+* [Basecoin](http://github.com/tendermint/basecoin)
+
+### More 
+
+* [Tendermint Blog](https://tendermint.com/blog)
+* [Cosmos Blog](https://cosmos.network/blog)
+* [Original Whitepaper (out-of-date)](http://www.the-blockchain.com/docs/Tendermint%20Consensus%20without%20Mining.pdf)
+* [Master's Thesis on Tendermint](https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9769)
 
-For more details, see the [install guide](https://github.com/tendermint/tendermint/wiki/Installation).
diff --git a/cmd/tendermint/flags.go b/cmd/tendermint/flags.go
index 9e014c678..fdf43b657 100644
--- a/cmd/tendermint/flags.go
+++ b/cmd/tendermint/flags.go
@@ -20,11 +20,15 @@ func parseFlags(config cfg.Config, args []string) {
 		logLevel      string
 		proxyApp      string
 		abciTransport string
+
+		pex bool
 	)
 
 	// Declare flags
 	var flags = flag.NewFlagSet("main", flag.ExitOnError)
 	flags.BoolVar(&printHelp, "help", false, "Print this help message.")
+
+	// configuration options
 	flags.StringVar(&moniker, "moniker", config.GetString("moniker"), "Node Name")
 	flags.StringVar(&nodeLaddr, "node_laddr", config.GetString("node_laddr"), "Node listen address. (0.0.0.0:0 means any interface, any port)")
 	flags.StringVar(&seeds, "seeds", config.GetString("seeds"), "Comma delimited host:port seed nodes")
@@ -36,6 +40,10 @@ func parseFlags(config cfg.Config, args []string) {
 	flags.StringVar(&proxyApp, "proxy_app", config.GetString("proxy_app"),
 		"Proxy app address, or 'nilapp' or 'dummy' for local testing.")
 	flags.StringVar(&abciTransport, "abci", config.GetString("abci"), "Specify abci transport (socket | grpc)")
+
+	// feature flags
+	flags.BoolVar(&pex, "pex", config.GetBool("pex_reactor"), "Enable Peer-Exchange (dev feature)")
+
 	flags.Parse(args)
 	if printHelp {
 		flags.PrintDefaults()
@@ -53,4 +61,6 @@ func parseFlags(config cfg.Config, args []string) {
 	config.Set("log_level", logLevel)
 	config.Set("proxy_app", proxyApp)
 	config.Set("abci", abciTransport)
+
+	config.Set("pex_reactor", pex)
 }
diff --git a/config/tendermint/config.go b/config/tendermint/config.go
index 7c058877d..ab4bf00b1 100644
--- a/config/tendermint/config.go
+++ b/config/tendermint/config.go
@@ -62,6 +62,8 @@ func GetConfig(rootDir string) cfg.Config {
 	mapConfig.SetDefault("fast_sync", true)
 	mapConfig.SetDefault("skip_upnp", false)
 	mapConfig.SetDefault("addrbook_file", rootDir+"/addrbook.json")
+	mapConfig.SetDefault("addrbook_strict", true) // disable to allow connections locally
+	mapConfig.SetDefault("pex_reactor", false)    // enable for peer exchange
 	mapConfig.SetDefault("priv_validator_file", rootDir+"/priv_validator.json")
 	mapConfig.SetDefault("db_backend", "leveldb")
 	mapConfig.SetDefault("db_dir", rootDir+"/data")
diff --git a/config/tendermint_test/config.go b/config/tendermint_test/config.go
index b5c60a587..930cf27e5 100644
--- a/config/tendermint_test/config.go
+++ b/config/tendermint_test/config.go
@@ -76,6 +76,8 @@ func ResetConfig(localPath string) cfg.Config {
 	mapConfig.SetDefault("fast_sync", false)
 	mapConfig.SetDefault("skip_upnp", true)
 	mapConfig.SetDefault("addrbook_file", rootDir+"/addrbook.json")
+	mapConfig.SetDefault("addrbook_strict", true) // disable to allow connections locally
+	mapConfig.SetDefault("pex_reactor", false)    // enable for peer exchange
 	mapConfig.SetDefault("priv_validator_file", rootDir+"/priv_validator.json")
 	mapConfig.SetDefault("db_backend", "memdb")
 	mapConfig.SetDefault("db_dir", rootDir+"/data")
diff --git a/glide.lock b/glide.lock
index 0847b526e..1d824c760 100644
--- a/glide.lock
+++ b/glide.lock
@@ -62,6 +62,8 @@ imports:
   - extra25519
 - name: github.com/tendermint/go-autofile
   version: 0416e0aa9c68205aa44844096f9f151ada9d0405
+- name: github.com/tendermint/go-flowrate
+  version: a20c98e61957faa93b4014fbd902f20ab9317a6a
 - name: github.com/tendermint/go-clist
   version: 3baa390bbaf7634251c42ad69a8682e7e3990552
 - name: github.com/tendermint/go-common
diff --git a/glide.yaml b/glide.yaml
index d872a24ea..2aa3207f7 100644
--- a/glide.yaml
+++ b/glide.yaml
@@ -33,3 +33,6 @@ import:
 - package: golang.org/x/crypto
   subpackages:
   - ripemd160
+- package: github.com/tendermint/go-flowrate
+  subpackages:
+  - flowrate 
diff --git a/node/node.go b/node/node.go
index 532c0a906..b6720a0e6 100644
--- a/node/node.go
+++ b/node/node.go
@@ -113,6 +113,15 @@ func NewNode(config cfg.Config, privValidator *types.PrivValidator, clientCreato
 	sw.AddReactor("BLOCKCHAIN", bcReactor)
 	sw.AddReactor("CONSENSUS", consensusReactor)
 
+	// Optionally, start the pex reactor
+	// TODO: this is a dev feature, it needs some love
+	if config.GetBool("pex_reactor") {
+		addrBook := p2p.NewAddrBook(config.GetString("addrbook_file"), config.GetBool("addrbook_strict"))
+		addrBook.Start()
+		pexReactor := p2p.NewPEXReactor(addrBook)
+		sw.AddReactor("PEX", pexReactor)
+	}
+
 	// filter peers by addr or pubkey with a abci query.
 	// if the query return code is OK, add peer
 	// XXX: query format subject to change
diff --git a/rpc/core/blocks.go b/rpc/core/blocks.go
index 92ed7bc7e..115ca2a9c 100644
--- a/rpc/core/blocks.go
+++ b/rpc/core/blocks.go
@@ -9,6 +9,7 @@ import (
 
 //-----------------------------------------------------------------------------
 
+// TODO: limit/permission on (max - min)
 func BlockchainInfo(minHeight, maxHeight int) (*ctypes.ResultBlockchainInfo, error) {
 	if maxHeight == 0 {
 		maxHeight = blockStore.Height()
diff --git a/rpc/core/net.go b/rpc/core/net.go
index 3cf1fd9e3..9e9f027ea 100644
--- a/rpc/core/net.go
+++ b/rpc/core/net.go
@@ -1,8 +1,6 @@
 package core
 
 import (
-	"fmt"
-
 	ctypes "github.com/tendermint/tendermint/rpc/core/types"
 )
 
@@ -31,12 +29,8 @@ func NetInfo() (*ctypes.ResultNetInfo, error) {
 
 //-----------------------------------------------------------------------------
 
-// Dial given list of seeds if we have no outbound peers
-func DialSeeds(seeds []string) (*ctypes.ResultDialSeeds, error) {
-	outbound, _, _ := p2pSwitch.NumPeers()
-	if outbound != 0 {
-		return nil, fmt.Errorf("Already have some outbound peers")
-	}
+// Dial given list of seeds
+func UnsafeDialSeeds(seeds []string) (*ctypes.ResultDialSeeds, error) {
 	// starts go routines to dial each seed after random delays
 	p2pSwitch.DialSeeds(seeds)
 	return &ctypes.ResultDialSeeds{}, nil
diff --git a/rpc/core/routes.go b/rpc/core/routes.go
index d53e90afa..fa80bf2fd 100644
--- a/rpc/core/routes.go
+++ b/rpc/core/routes.go
@@ -6,30 +6,38 @@ import (
 	ctypes "github.com/tendermint/tendermint/rpc/core/types"
 )
 
+// TODO: better system than "unsafe" prefix
 var Routes = map[string]*rpc.RPCFunc{
 	// subscribe/unsubscribe are reserved for websocket events.
 	"subscribe":   rpc.NewWSRPCFunc(SubscribeResult, "event"),
 	"unsubscribe": rpc.NewWSRPCFunc(UnsubscribeResult, "event"),
 
+	// info API
 	"status":               rpc.NewRPCFunc(StatusResult, ""),
 	"net_info":             rpc.NewRPCFunc(NetInfoResult, ""),
-	"dial_seeds":           rpc.NewRPCFunc(DialSeedsResult, "seeds"),
 	"blockchain":           rpc.NewRPCFunc(BlockchainInfoResult, "minHeight,maxHeight"),
 	"genesis":              rpc.NewRPCFunc(GenesisResult, ""),
 	"block":                rpc.NewRPCFunc(BlockResult, "height"),
 	"validators":           rpc.NewRPCFunc(ValidatorsResult, ""),
 	"dump_consensus_state": rpc.NewRPCFunc(DumpConsensusStateResult, ""),
-	"broadcast_tx_commit":  rpc.NewRPCFunc(BroadcastTxCommitResult, "tx"),
-	"broadcast_tx_sync":    rpc.NewRPCFunc(BroadcastTxSyncResult, "tx"),
-	"broadcast_tx_async":   rpc.NewRPCFunc(BroadcastTxAsyncResult, "tx"),
 	"unconfirmed_txs":      rpc.NewRPCFunc(UnconfirmedTxsResult, ""),
 	"num_unconfirmed_txs":  rpc.NewRPCFunc(NumUnconfirmedTxsResult, ""),
 
+	// broadcast API
+	"broadcast_tx_commit": rpc.NewRPCFunc(BroadcastTxCommitResult, "tx"),
+	"broadcast_tx_sync":   rpc.NewRPCFunc(BroadcastTxSyncResult, "tx"),
+	"broadcast_tx_async":  rpc.NewRPCFunc(BroadcastTxAsyncResult, "tx"),
+
+	// abci API
 	"abci_query": rpc.NewRPCFunc(ABCIQueryResult, "query"),
 	"abci_info":  rpc.NewRPCFunc(ABCIInfoResult, ""),
 
-	"unsafe_flush_mempool":      rpc.NewRPCFunc(UnsafeFlushMempool, ""),
-	"unsafe_set_config":         rpc.NewRPCFunc(UnsafeSetConfigResult, "type,key,value"),
+	// control API
+	"dial_seeds":           rpc.NewRPCFunc(UnsafeDialSeedsResult, "seeds"),
+	"unsafe_flush_mempool": rpc.NewRPCFunc(UnsafeFlushMempool, ""),
+	"unsafe_set_config":    rpc.NewRPCFunc(UnsafeSetConfigResult, "type,key,value"),
+
+	// profiler API
 	"unsafe_start_cpu_profiler": rpc.NewRPCFunc(UnsafeStartCPUProfilerResult, "filename"),
 	"unsafe_stop_cpu_profiler":  rpc.NewRPCFunc(UnsafeStopCPUProfilerResult, ""),
 	"unsafe_write_heap_profile": rpc.NewRPCFunc(UnsafeWriteHeapProfileResult, "filename"),
@@ -67,8 +75,8 @@ func NetInfoResult() (ctypes.TMResult, error) {
 	}
 }
 
-func DialSeedsResult(seeds []string) (ctypes.TMResult, error) {
-	if r, err := DialSeeds(seeds); err != nil {
+func UnsafeDialSeedsResult(seeds []string) (ctypes.TMResult, error) {
+	if r, err := UnsafeDialSeeds(seeds); err != nil {
 		return nil, err
 	} else {
 		return r, nil
diff --git a/scripts/glide/parse.sh b/scripts/glide/parse.sh
index b130422ad..e559c368e 100644
--- a/scripts/glide/parse.sh
+++ b/scripts/glide/parse.sh
@@ -1,7 +1,4 @@
 #! /bin/bash
-set -euo pipefail
-
-LIB=$1
 
 set +u
 if [[ "$GLIDE" == "" ]]; then
@@ -9,4 +6,8 @@ if [[ "$GLIDE" == "" ]]; then
 fi
 set -u
 
+set -euo pipefail
+
+LIB=$1
+
 cat $GLIDE | grep -A1 $LIB | grep -v $LIB | awk '{print $2}'
diff --git a/test/test_libs.sh b/test/test_libs.sh
index d33d242f1..164cdd340 100644
--- a/test/test_libs.sh
+++ b/test/test_libs.sh
@@ -1,4 +1,5 @@
 #! /bin/bash
+set -e
 
 # set glide.lock path
 if [[ "$GLIDE" == "" ]]; then
@@ -28,10 +29,11 @@ for lib in "${LIBS_GO_TEST[@]}"; do
 done
 
 for lib in "${LIBS_MAKE_TEST[@]}"; do
-	getDep $lib
+
+	# checkout vendored version of lib
+	bash scripts/glide/checkout.sh $GLIDE $lib
 
 	echo "Testing $lib ..."
-	cd $GOPATH/src/github.com/tendermint/$lib
 	make test
 	if [[ "$?" != 0 ]]; then
 		echo "FAIL"
diff --git a/version/version.go b/version/version.go
index cee2881cf..1d7245973 100644
--- a/version/version.go
+++ b/version/version.go
@@ -1,7 +1,7 @@
 package version
 
 const Maj = "0"
-const Min = "7" // abci useability (protobuf, unix); optimizations; broadcast_tx_commit
-const Fix = "3" // fixes to event safety, mempool deadlock, hvs race, replay non-empty blocks
+const Min = "7" // tmsp useability (protobuf, unix); optimizations; broadcast_tx_commit
+const Fix = "4" // --pex flag and less restricted /dial_seeds
 
 const Version = Maj + "." + Min + "." + Fix