diff --git a/.gitignore b/.gitignore
index 6edbbeb..edc082c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,15 @@
-# xcode
+# Xcode
 build/*
 *.pbxuser
+!default.pbxuser
 *.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
 *.perspectivev3
-# osx
-.DS_Store
+!default.perspectivev3
+*.xcworkspace
+!default.xcworkspace
+xcuserdata
 profile
+*.moved-aside
diff --git a/Classes/DemoTableViewController.m b/Classes/DemoTableViewController.m
index 2522d67..bf9f1f9 100644
--- a/Classes/DemoTableViewController.m
+++ b/Classes/DemoTableViewController.m
@@ -27,7 +27,7 @@ - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger
 }
 
 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
-    
+
     static NSString *CellIdentifier = @"CellIdentifier";
     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
     if (cell == nil) {
diff --git a/Classes/PullRefreshTableViewController.h b/Classes/PullRefreshTableViewController.h
index 00450a2..92429f3 100644
--- a/Classes/PullRefreshTableViewController.h
+++ b/Classes/PullRefreshTableViewController.h
@@ -50,6 +50,7 @@
 @property (nonatomic, copy) NSString *textRelease;
 @property (nonatomic, copy) NSString *textLoading;
 
+- (void)setupStrings;
 - (void)addPullToRefreshHeader;
 - (void)startLoading;
 - (void)stopLoading;
diff --git a/Classes/PullRefreshTableViewController.m b/Classes/PullRefreshTableViewController.m
index b373376..85de5b9 100644
--- a/Classes/PullRefreshTableViewController.m
+++ b/Classes/PullRefreshTableViewController.m
@@ -38,18 +38,38 @@ @implementation PullRefreshTableViewController
 @synthesize textPull, textRelease, textLoading, refreshHeaderView, refreshLabel, refreshArrow, refreshSpinner;
 
 - (id)initWithStyle:(UITableViewStyle)style {
-    self = [super initWithStyle:style];
-    if (self != nil) {
-        textPull = [[NSString alloc] initWithString:@"Pull down to refresh..."];
-        textRelease = [[NSString alloc] initWithString:@"Release to refresh..."];
-        textLoading = [[NSString alloc] initWithString:@"Loading..."];
-    }
-    return self;
+  self = [super initWithStyle:style];
+  if (self != nil) {
+    [self setupStrings];
+  }
+  return self;
+}
+
+- (id)initWithCoder:(NSCoder *)aDecoder {
+  self = [super initWithCoder:aDecoder];
+  if (self != nil) {
+    [self setupStrings];
+  }
+  return self;
+}
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+  self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+  if (self != nil) {
+    [self setupStrings];
+  }
+  return self;
 }
 
 - (void)viewDidLoad {
-    [super viewDidLoad];
-    [self addPullToRefreshHeader];
+  [super viewDidLoad];
+  [self addPullToRefreshHeader];
+}
+
+- (void)setupStrings{
+  textPull = [[NSString alloc] initWithString:@"Pull down to refresh..."];
+  textRelease = [[NSString alloc] initWithString:@"Release to refresh..."];
+  textLoading = [[NSString alloc] initWithString:@"Loading..."];
 }
 
 - (void)addPullToRefreshHeader {
@@ -62,12 +82,12 @@ - (void)addPullToRefreshHeader {
     refreshLabel.textAlignment = UITextAlignmentCenter;
 
     refreshArrow = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"arrow.png"]];
-    refreshArrow.frame = CGRectMake((REFRESH_HEADER_HEIGHT - 27) / 2,
-                                    (REFRESH_HEADER_HEIGHT - 44) / 2,
+    refreshArrow.frame = CGRectMake(floorf((REFRESH_HEADER_HEIGHT - 27) / 2),
+                                    (floorf(REFRESH_HEADER_HEIGHT - 44) / 2),
                                     27, 44);
 
     refreshSpinner = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
-    refreshSpinner.frame = CGRectMake((REFRESH_HEADER_HEIGHT - 20) / 2, (REFRESH_HEADER_HEIGHT - 20) / 2, 20, 20);
+    refreshSpinner.frame = CGRectMake(floorf(floorf(REFRESH_HEADER_HEIGHT - 20) / 2), floorf((REFRESH_HEADER_HEIGHT - 20) / 2), 20, 20);
     refreshSpinner.hidesWhenStopped = YES;
 
     [refreshHeaderView addSubview:refreshLabel];
diff --git a/main.m b/main.m
index 788b3cd..76d791e 100644
--- a/main.m
+++ b/main.m
@@ -9,7 +9,7 @@
 #import <UIKit/UIKit.h>
 
 int main(int argc, char *argv[]) {
-    
+
     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
     int retVal = UIApplicationMain(argc, argv, nil, @"PullToRefreshAppDelegate");
     [pool release];