Bumped version. Minor fixes and small refactoring in API implementation

Author: sah4ez

Makefile

@@ -1,4 +1,4 @@
-VERSION=0.1.6
+VERSION=0.1.8
 NAME=pspk
 GIT_REV?=$(shell git rev-parse --short HEAD)
 LDFLAGS=-ldflags "-X main.Version=$(VERSION) -X main.Hash=$(GIT_REV) -X main.BuildDate=$(BUILD_DATE)"

go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/agl/ed25519 v0.0.0-20170116200512-5312a6153412
 	github.com/bogdanovich/dns_resolver v0.0.0-20170211073258-a8e42bc6a5b6 // indirect
 	github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8
+	github.com/google/go-querystring v1.0.0
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/miekg/dns v1.1.6 // indirect
 	github.com/pkg/errors v0.8.1

go.sum

@@ -4,6 +4,8 @@ github.com/bogdanovich/dns_resolver v0.0.0-20170211073258-a8e42bc6a5b6 h1:oV1V+u
 github.com/bogdanovich/dns_resolver v0.0.0-20170211073258-a8e42bc6a5b6/go.mod h1:txOV61Nn+21z77KUMkNsp8lTHoOFTtqotltQAFenS9I=
 github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8 h1:DujepqpGd1hyOd7aW59XpK7Qymp8iy83xq74fLr21is=
 github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
+github.com/google/go-querystring v1.0.0 h1:Xkwi/a1rcvNg1PPYe5vI8GbeBY/jrVuDX5ASuANWTrk=
+github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=