Fixed a typo in TileJSON attribute and incremented Podspec version

CedarMaps.podspec

@@ -9,7 +9,7 @@
 
 Pod::Spec.new do |s|
   s.name             = "CedarMaps"
-  s.version          = "0.1.2"
+  s.version          = "0.1.3"
   s.summary          = "Cedar Studio iOS SDK"
   s.description      = "Cedar Studio should write something to introduce their Pod."
   s.homepage         = "http://cedar.ir"

Example/CedarMaps.xcodeproj/xcshareddata/xcschemes/CedarMap-Example.xcscheme

 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
    LastUpgradeVersion = "0600"
-   version = "1.3">
+   version = "1.8">
    <BuildAction
       parallelizeBuildables = "YES"
       buildImplicitDependencies = "YES">
@@ -15,7 +15,7 @@
             <BuildableReference
                BuildableIdentifier = "primary"
                BlueprintIdentifier = "6003F589195388D20070C39A"
-               BuildableName = "CedarMapss.app"
+               BuildableName = "CedarMaps.app"
                BlueprintName = "CedarMaps"
                ReferencedContainer = "container:CedarMaps.xcodeproj">
             </BuildableReference>
@@ -43,7 +43,7 @@
          <BuildableReference
             BuildableIdentifier = "primary"
             BlueprintIdentifier = "6003F589195388D20070C39A"
-            BuildableName = "CedarMapss.app"
+            BuildableName = "CedarMaps.app"
             BlueprintName = "CedarMaps"
             ReferencedContainer = "container:CedarMaps.xcodeproj">
          </BuildableReference>
@@ -63,7 +63,7 @@
          <BuildableReference
             BuildableIdentifier = "primary"
             BlueprintIdentifier = "6003F589195388D20070C39A"
-            BuildableName = "CedarMapss.app"
+            BuildableName = "CedarMaps.app"
             BlueprintName = "CedarMaps"
             ReferencedContainer = "container:CedarMaps.xcodeproj">
          </BuildableReference>
@@ -82,7 +82,7 @@
          <BuildableReference
             BuildableIdentifier = "primary"
             BlueprintIdentifier = "6003F589195388D20070C39A"
-            BuildableName = "CedarMapss.app"
+            BuildableName = "CedarMaps.app"
             BlueprintName = "CedarMaps"
             ReferencedContainer = "container:CedarMaps.xcodeproj">
          </BuildableReference>

Pod/Classes/CSMapSource.m

@@ -312,12 +312,12 @@ static NSString * const kBaseURL = @"http://api.cedarmaps.com/v1";
 
 - (float)maxZoom
 {
-    return [self.info[@"MaxZoom"] floatValue] ?: 17;
+    return [self.info[@"maxzoom"] floatValue] ?: 17;
 }
 
 - (float)minZoom
 {
-    return [self.info[@"minZoom"] floatValue] ?: 11;
+    return [self.info[@"minzoom"] floatValue] ?: 11;
 }
 
 - (RMSphericalTrapezium)bounds