Updated build enviroment

.travis.yml

@@ -2,11 +2,11 @@ matrix:
   include:
   - os: osx
     language: generic
-    osx_image: xcode6.4
+    osx_image: xcode9.2
 
 before_install:
 - brew update
-- brew install python3
+- brew upgrade python3
 - brew uninstall node
 - travis_wait 30 brew install node@6
 - brew link node@6 --force --overwrite

README.md

@@ -28,7 +28,7 @@ If you find **KCC** valuable you can consider donating to the authors:
 ## BINARY RELEASES
 You can find the latest released binary at the following links:
 - **[Windows](http://kcc.iosphe.re/Windows/) (64-bit only)**
-- **[macOS](http://kcc.iosphe.re/OSX/) (10.10+)**
+- **[macOS](http://kcc.iosphe.re/OSX/) (10.12+)**
 - **Linux:** 
   - [Ubuntu 17.10](http://kcc.iosphe.re/LinuxArtful/)
   - [Ubuntu 16.04 / Debian 9](http://kcc.iosphe.re/LinuxXenial/)

other/osx/Info.plist

@@ -55,7 +55,7 @@
 	<key>LSHasLocalizedDisplayName</key>
 	<false/>
 	<key>LSMinimumSystemVersion</key>
-	<string>10.10.0</string>
+	<string>10.12.0</string>
 	<key>NSAppleScriptEnabled</key>
 	<false/>
 	<key>NSHumanReadableCopyright</key>

requirements.txt

@@ -1,5 +1,5 @@
 PyQt5>=5.6.0
 Pillow>=5.2.0
 psutil>=5.0.0
-python-slugify>=1.2.1
+python-slugify>=1.2.1,<3.0.0
 raven>=6.0.0