Update .gitignore and requirements.txt

.gitignore

@@ -20,4 +20,5 @@ settings.json
 .vscode/
 .DS_Store
 *.code-workspace
-sik_test
+sik_test
+venv/

requirements.txt

@@ -9,7 +9,7 @@ ptyprocess==0.5.1
 pytz==2016.4
 simplegeneric==0.8.1
 traitlets==4.2.1
-Pillow==4.3.0
+Pillow==5.4.1
 requests==2.11.1
 django-nocaptcha-recaptcha==0.0.19
 django-cors-headers==2.0.1
@@ -19,7 +19,7 @@ djangorestframework-jwt==1.11.0
 coverage==4.3.4
 django-nose==1.4.5
 nose-exclude==0.5.0
-psycopg2==2.7.3.1
+psycopg2-binary==2.7.6.1
 django-bootstrap3==8.2.3
 django-tables2==1.6.1
 pycodestyle==2.3.1
@@ -31,9 +31,9 @@ django-autocomplete-light==3.2.10
 six==1.10.0
 django-suit==0.2.26
 telepot==12.3
-pyexcel==0.5.8
-pyexcel-xlsx==0.5.5
+pyexcel==0.5.10
+pyexcel-xlsx==0.5.6
 django-import-export==0.7.0
-openpyxl==2.4.11
+openpyxl==2.5.12
 django-app-namespace-template-loader==0.4.1
 django-filter==2.0.0